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Finding the Fourth Proportional to 629,726.76, 944,730.45 and 230,358.69

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Solution

The fourth proportional to 629,726.76, 944,730.45 and 230,358.69 is: 345,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,726.76 : 944,730.45 = 230,358.69 : x
  2. Step 2: Convert to fraction form
    629,726.76/944,730.45 = 230,358.69/x
  3. Step 3: Cross multiply
    629,726.76x = 944,730.45 × 230,358.69
  4. Step 4: Simplify right side
    629,726.76x = 217,626,868,865.11
  5. Step 5: Solve for x
    x = 217,626,868,865.11/629,726.76
  6. Step 6: Final answer
    x = 345,589.36

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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.