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Finding the Fourth Proportional to 484,406.28, 726,613.50 and 168,862.60

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Solution

The fourth proportional to 484,406.28, 726,613.50 and 168,862.60 is: 253,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,406.28 : 726,613.50 = 168,862.60 : x
  2. Step 2: Convert to fraction form
    484,406.28/726,613.50 = 168,862.60/x
  3. Step 3: Cross multiply
    484,406.28x = 726,613.50 × 168,862.60
  4. Step 4: Simplify right side
    484,406.28x = 122,697,844,805.10
  5. Step 5: Solve for x
    x = 122,697,844,805.10/484,406.28
  6. Step 6: Final answer
    x = 253,295.32

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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.