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Finding the Fourth Proportional to 608,761.61, 913,182.50 and 159,493.49

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Solution

The fourth proportional to 608,761.61, 913,182.50 and 159,493.49 is: 239,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,761.61 : 913,182.50 = 159,493.49 : x
  2. Step 2: Convert to fraction form
    608,761.61/913,182.50 = 159,493.49/x
  3. Step 3: Cross multiply
    608,761.61x = 913,182.50 × 159,493.49
  4. Step 4: Simplify right side
    608,761.61x = 145,646,659,366.01
  5. Step 5: Solve for x
    x = 145,646,659,366.01/608,761.61
  6. Step 6: Final answer
    x = 239,250.73

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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.