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Finding the Fourth Proportional to 880,816.30, 1,234,801.70 and 880,816.30

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Solution

The fourth proportional to 880,816.30, 1,234,801.70 and 880,816.30 is: 1,234,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,816.30 : 1,234,801.70 = 880,816.30 : x
  2. Step 2: Convert to fraction form
    880,816.30/1,234,801.70 = 880,816.30/x
  3. Step 3: Cross multiply
    880,816.30x = 1,234,801.70 × 880,816.30
  4. Step 4: Simplify right side
    880,816.30x = 1,087,633,464,627.71
  5. Step 5: Solve for x
    x = 1,087,633,464,627.71/880,816.30
  6. Step 6: Final answer
    x = 1,234,801.70

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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.