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Finding the Fourth Proportional to 517,862.13, 776,793.25 and 158,034.87

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Solution

The fourth proportional to 517,862.13, 776,793.25 and 158,034.87 is: 237,052.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,862.13 : 776,793.25 = 158,034.87 : x
  2. Step 2: Convert to fraction form
    517,862.13/776,793.25 = 158,034.87/x
  3. Step 3: Cross multiply
    517,862.13x = 776,793.25 × 158,034.87
  4. Step 4: Simplify right side
    517,862.13x = 122,760,416,972.57
  5. Step 5: Solve for x
    x = 122,760,416,972.57/517,862.13
  6. Step 6: Final answer
    x = 237,052.32

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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.