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Finding the Fourth Proportional to 484,406.22, 726,613.38 and 168,862.62

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Solution

The fourth proportional to 484,406.22, 726,613.38 and 168,862.62 is: 253,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,406.22 : 726,613.38 = 168,862.62 : x
  2. Step 2: Convert to fraction form
    484,406.22/726,613.38 = 168,862.62/x
  3. Step 3: Cross multiply
    484,406.22x = 726,613.38 × 168,862.62
  4. Step 4: Simplify right side
    484,406.22x = 122,697,839,073.86
  5. Step 5: Solve for x
    x = 122,697,839,073.86/484,406.22
  6. Step 6: Final answer
    x = 253,295.34

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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.