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Finding the Fourth Proportional to 534,448.30, 801,672.45 and 486,237.10

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Solution

The fourth proportional to 534,448.30, 801,672.45 and 486,237.10 is: 729,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,448.30 : 801,672.45 = 486,237.10 : x
  2. Step 2: Convert to fraction form
    534,448.30/801,672.45 = 486,237.10/x
  3. Step 3: Cross multiply
    534,448.30x = 801,672.45 × 486,237.10
  4. Step 4: Simplify right side
    534,448.30x = 389,802,887,237.90
  5. Step 5: Solve for x
    x = 389,802,887,237.90/534,448.30
  6. Step 6: Final answer
    x = 729,355.65

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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.