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Finding the Fourth Proportional to 398,471.68, 597,800.96 and 158,600.10

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Solution

The fourth proportional to 398,471.68, 597,800.96 and 158,600.10 is: 237,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,471.68 : 597,800.96 = 158,600.10 : x
  2. Step 2: Convert to fraction form
    398,471.68/597,800.96 = 158,600.10/x
  3. Step 3: Cross multiply
    398,471.68x = 597,800.96 × 158,600.10
  4. Step 4: Simplify right side
    398,471.68x = 94,811,292,036.10
  5. Step 5: Solve for x
    x = 94,811,292,036.10/398,471.68
  6. Step 6: Final answer
    x = 237,937.34

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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.