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Finding the Fourth Proportional to 372,229.40, 558,344.10 and 232,261.40

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Solution

The fourth proportional to 372,229.40, 558,344.10 and 232,261.40 is: 348,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,229.40 : 558,344.10 = 232,261.40 : x
  2. Step 2: Convert to fraction form
    372,229.40/558,344.10 = 232,261.40/x
  3. Step 3: Cross multiply
    372,229.40x = 558,344.10 × 232,261.40
  4. Step 4: Simplify right side
    372,229.40x = 129,681,782,347.74
  5. Step 5: Solve for x
    x = 129,681,782,347.74/372,229.40
  6. Step 6: Final answer
    x = 348,392.10

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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.