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Finding the Fourth Proportional to 484,452.40, 726,160.20 and 218,167.60

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Solution

The fourth proportional to 484,452.40, 726,160.20 and 218,167.60 is: 327,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,452.40 : 726,160.20 = 218,167.60 : x
  2. Step 2: Convert to fraction form
    484,452.40/726,160.20 = 218,167.60/x
  3. Step 3: Cross multiply
    484,452.40x = 726,160.20 × 218,167.60
  4. Step 4: Simplify right side
    484,452.40x = 158,424,628,049.52
  5. Step 5: Solve for x
    x = 158,424,628,049.52/484,452.40
  6. Step 6: Final answer
    x = 327,017.94

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1.5x scale

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.