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Finding the Fourth Proportional to 732,600.90, 1,098,901.35 and 417,672.90

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Solution

The fourth proportional to 732,600.90, 1,098,901.35 and 417,672.90 is: 626,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,600.90 : 1,098,901.35 = 417,672.90 : x
  2. Step 2: Convert to fraction form
    732,600.90/1,098,901.35 = 417,672.90/x
  3. Step 3: Cross multiply
    732,600.90x = 1,098,901.35 × 417,672.90
  4. Step 4: Simplify right side
    732,600.90x = 458,981,313,668.42
  5. Step 5: Solve for x
    x = 458,981,313,668.42/732,600.90
  6. Step 6: Final answer
    x = 626,509.35

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Half scale
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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.