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Finding the Fourth Proportional to 486,007.20, 729,010.80 and 466,324.20

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Solution

The fourth proportional to 486,007.20, 729,010.80 and 466,324.20 is: 699,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,007.20 : 729,010.80 = 466,324.20 : x
  2. Step 2: Convert to fraction form
    486,007.20/729,010.80 = 466,324.20/x
  3. Step 3: Cross multiply
    486,007.20x = 729,010.80 × 466,324.20
  4. Step 4: Simplify right side
    486,007.20x = 339,955,378,101.36
  5. Step 5: Solve for x
    x = 339,955,378,101.36/486,007.20
  6. Step 6: Final answer
    x = 699,486.30

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Similar ratio
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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.