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Finding the Fourth Proportional to 484,341.92, 726,540.17 and 147,393.53

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Solution

The fourth proportional to 484,341.92, 726,540.17 and 147,393.53 is: 221,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,341.92 : 726,540.17 = 147,393.53 : x
  2. Step 2: Convert to fraction form
    484,341.92/726,540.17 = 147,393.53/x
  3. Step 3: Cross multiply
    484,341.92x = 726,540.17 × 147,393.53
  4. Step 4: Simplify right side
    484,341.92x = 107,087,315,973.43
  5. Step 5: Solve for x
    x = 107,087,315,973.43/484,341.92
  6. Step 6: Final answer
    x = 221,098.59

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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.