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Finding the Fourth Proportional to 465,794.20, 698,691.30 and 465,794.20

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Solution

The fourth proportional to 465,794.20, 698,691.30 and 465,794.20 is: 698,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,794.20 : 698,691.30 = 465,794.20 : x
  2. Step 2: Convert to fraction form
    465,794.20/698,691.30 = 465,794.20/x
  3. Step 3: Cross multiply
    465,794.20x = 698,691.30 × 465,794.20
  4. Step 4: Simplify right side
    465,794.20x = 325,446,355,130.46
  5. Step 5: Solve for x
    x = 325,446,355,130.46/465,794.20
  6. Step 6: Final answer
    x = 698,691.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.