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Finding the Fourth Proportional to 439,295.43, 658,943.17 and 229,343.43

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Solution

The fourth proportional to 439,295.43, 658,943.17 and 229,343.43 is: 344,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,295.43 : 658,943.17 = 229,343.43 : x
  2. Step 2: Convert to fraction form
    439,295.43/658,943.17 = 229,343.43/x
  3. Step 3: Cross multiply
    439,295.43x = 658,943.17 × 229,343.43
  4. Step 4: Simplify right side
    439,295.43x = 151,124,288,680.55
  5. Step 5: Solve for x
    x = 151,124,288,680.55/439,295.43
  6. Step 6: Final answer
    x = 344,015.16

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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.