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Finding the Fourth Proportional to 732,669,385.70, 1,028,458,117.90 and 732,669,385.70

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Solution

The fourth proportional to 732,669,385.70, 1,028,458,117.90 and 732,669,385.70 is: 1,028,458,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,669,385.70 : 1,028,458,117.90 = 732,669,385.70 : x
  2. Step 2: Convert to fraction form
    732,669,385.70/1,028,458,117.90 = 732,669,385.70/x
  3. Step 3: Cross multiply
    732,669,385.70x = 1,028,458,117.90 × 732,669,385.70
  4. Step 4: Simplify right side
    732,669,385.70x = 753,519,777,459,971,200
  5. Step 5: Solve for x
    x = 753,519,777,459,971,200/732,669,385.70
  6. Step 6: Final answer
    x = 1,028,458,117.90

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.