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Finding the Fourth Proportional to 534,124.93, 737,162.57 and 304,629.61

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Solution

The fourth proportional to 534,124.93, 737,162.57 and 304,629.61 is: 420,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,124.93 : 737,162.57 = 304,629.61 : x
  2. Step 2: Convert to fraction form
    534,124.93/737,162.57 = 304,629.61/x
  3. Step 3: Cross multiply
    534,124.93x = 737,162.57 × 304,629.61
  4. Step 4: Simplify right side
    534,124.93x = 224,561,542,839.64
  5. Step 5: Solve for x
    x = 224,561,542,839.64/534,124.93
  6. Step 6: Final answer
    x = 420,428.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.