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Finding the Fourth Proportional to 375,680.52, 518,433.48 and 205,914.96

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Solution

The fourth proportional to 375,680.52, 518,433.48 and 205,914.96 is: 284,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,680.52 : 518,433.48 = 205,914.96 : x
  2. Step 2: Convert to fraction form
    375,680.52/518,433.48 = 205,914.96/x
  3. Step 3: Cross multiply
    375,680.52x = 518,433.48 × 205,914.96
  4. Step 4: Simplify right side
    375,680.52x = 106,753,209,296.86
  5. Step 5: Solve for x
    x = 106,753,209,296.86/375,680.52
  6. Step 6: Final answer
    x = 284,159.55

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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.