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Finding the Fourth Proportional to 375,695.43, 518,512.85 and 232,501.61

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Solution

The fourth proportional to 375,695.43, 518,512.85 and 232,501.61 is: 320,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,695.43 : 518,512.85 = 232,501.61 : x
  2. Step 2: Convert to fraction form
    375,695.43/518,512.85 = 232,501.61/x
  3. Step 3: Cross multiply
    375,695.43x = 518,512.85 × 232,501.61
  4. Step 4: Simplify right side
    375,695.43x = 120,555,068,675.62
  5. Step 5: Solve for x
    x = 120,555,068,675.62/375,695.43
  6. Step 6: Final answer
    x = 320,885.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.