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Finding the Fourth Proportional to 508,551.65, 762,932.38 and 167,020.82

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Solution

The fourth proportional to 508,551.65, 762,932.38 and 167,020.82 is: 250,565.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,551.65 : 762,932.38 = 167,020.82 : x
  2. Step 2: Convert to fraction form
    508,551.65/762,932.38 = 167,020.82/x
  3. Step 3: Cross multiply
    508,551.65x = 762,932.38 × 167,020.82
  4. Step 4: Simplify right side
    508,551.65x = 127,425,591,712.15
  5. Step 5: Solve for x
    x = 127,425,591,712.15/508,551.65
  6. Step 6: Final answer
    x = 250,565.68

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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.