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Finding the Fourth Proportional to 372,276.41, 558,414.81 and 158,864.90

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Solution

The fourth proportional to 372,276.41, 558,414.81 and 158,864.90 is: 238,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,276.41 : 558,414.81 = 158,864.90 : x
  2. Step 2: Convert to fraction form
    372,276.41/558,414.81 = 158,864.90/x
  3. Step 3: Cross multiply
    372,276.41x = 558,414.81 × 158,864.90
  4. Step 4: Simplify right side
    372,276.41x = 88,712,510,157.10
  5. Step 5: Solve for x
    x = 88,712,510,157.10/372,276.41
  6. Step 6: Final answer
    x = 238,297.43

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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.