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Finding the Fourth Proportional to 477,163.98, 715,863.78 and 237,391.74

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Solution

The fourth proportional to 477,163.98, 715,863.78 and 237,391.74 is: 356,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,163.98 : 715,863.78 = 237,391.74 : x
  2. Step 2: Convert to fraction form
    477,163.98/715,863.78 = 237,391.74/x
  3. Step 3: Cross multiply
    477,163.98x = 715,863.78 × 237,391.74
  4. Step 4: Simplify right side
    477,163.98x = 169,940,148,337.18
  5. Step 5: Solve for x
    x = 169,940,148,337.18/477,163.98
  6. Step 6: Final answer
    x = 356,146.22

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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.