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Finding the Fourth Proportional to 479,044.56, 718,722.36 and 229,746

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Solution

The fourth proportional to 479,044.56, 718,722.36 and 229,746 is: 344,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,044.56 : 718,722.36 = 229,746 : x
  2. Step 2: Convert to fraction form
    479,044.56/718,722.36 = 229,746/x
  3. Step 3: Cross multiply
    479,044.56x = 718,722.36 × 229,746
  4. Step 4: Simplify right side
    479,044.56x = 165,123,587,320.56
  5. Step 5: Solve for x
    x = 165,123,587,320.56/479,044.56
  6. Step 6: Final answer
    x = 344,693.59

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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.