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Finding the Fourth Proportional to 372,194.98, 558,522.11 and 172,478.14

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Solution

The fourth proportional to 372,194.98, 558,522.11 and 172,478.14 is: 258,823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,194.98 : 558,522.11 = 172,478.14 : x
  2. Step 2: Convert to fraction form
    372,194.98/558,522.11 = 172,478.14/x
  3. Step 3: Cross multiply
    372,194.98x = 558,522.11 × 172,478.14
  4. Step 4: Simplify right side
    372,194.98x = 96,332,854,681.68
  5. Step 5: Solve for x
    x = 96,332,854,681.68/372,194.98
  6. Step 6: Final answer
    x = 258,823.63

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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.