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Finding the Fourth Proportional to 439,475.76, 658,535.13 and 296,761.73

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Solution

The fourth proportional to 439,475.76, 658,535.13 and 296,761.73 is: 444,684.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,475.76 : 658,535.13 = 296,761.73 : x
  2. Step 2: Convert to fraction form
    439,475.76/658,535.13 = 296,761.73/x
  3. Step 3: Cross multiply
    439,475.76x = 658,535.13 × 296,761.73
  4. Step 4: Simplify right side
    439,475.76x = 195,428,021,151.90
  5. Step 5: Solve for x
    x = 195,428,021,151.90/439,475.76
  6. Step 6: Final answer
    x = 444,684.41

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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.