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Finding the Fourth Proportional to 376,726.20, 564,737.94 and 127,233.72

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Solution

The fourth proportional to 376,726.20, 564,737.94 and 127,233.72 is: 190,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,726.20 : 564,737.94 = 127,233.72 : x
  2. Step 2: Convert to fraction form
    376,726.20/564,737.94 = 127,233.72/x
  3. Step 3: Cross multiply
    376,726.20x = 564,737.94 × 127,233.72
  4. Step 4: Simplify right side
    376,726.20x = 71,853,708,931.34
  5. Step 5: Solve for x
    x = 71,853,708,931.34/376,726.20
  6. Step 6: Final answer
    x = 190,731.91

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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.