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Finding the Fourth Proportional to 484,405.97, 726,613.01 and 168,862.37

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Solution

The fourth proportional to 484,405.97, 726,613.01 and 168,862.37 is: 253,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,405.97 : 726,613.01 = 168,862.37 : x
  2. Step 2: Convert to fraction form
    484,405.97/726,613.01 = 168,862.37/x
  3. Step 3: Cross multiply
    484,405.97x = 726,613.01 × 168,862.37
  4. Step 4: Simplify right side
    484,405.97x = 122,697,594,941.43
  5. Step 5: Solve for x
    x = 122,697,594,941.43/484,405.97
  6. Step 6: Final answer
    x = 253,294.97

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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.