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Finding the Fourth Proportional to 508,082.67, 762,125.37 and 171,359.88

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Solution

The fourth proportional to 508,082.67, 762,125.37 and 171,359.88 is: 257,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,082.67 : 762,125.37 = 171,359.88 : x
  2. Step 2: Convert to fraction form
    508,082.67/762,125.37 = 171,359.88/x
  3. Step 3: Cross multiply
    508,082.67x = 762,125.37 × 171,359.88
  4. Step 4: Simplify right side
    508,082.67x = 130,597,711,948.16
  5. Step 5: Solve for x
    x = 130,597,711,948.16/508,082.67
  6. Step 6: Final answer
    x = 257,040.28

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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.