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Finding the Fourth Proportional to 347,371.86, 520,704.09 and 157,966.68

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Solution

The fourth proportional to 347,371.86, 520,704.09 and 157,966.68 is: 236,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,371.86 : 520,704.09 = 157,966.68 : x
  2. Step 2: Convert to fraction form
    347,371.86/520,704.09 = 157,966.68/x
  3. Step 3: Cross multiply
    347,371.86x = 520,704.09 × 157,966.68
  4. Step 4: Simplify right side
    347,371.86x = 82,253,896,359.72
  5. Step 5: Solve for x
    x = 82,253,896,359.72/347,371.86
  6. Step 6: Final answer
    x = 236,789.18

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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.