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Finding the Fourth Proportional to 868,572.54, 1,198,601.01 and 481,371.48

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Solution

The fourth proportional to 868,572.54, 1,198,601.01 and 481,371.48 is: 664,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,572.54 : 1,198,601.01 = 481,371.48 : x
  2. Step 2: Convert to fraction form
    868,572.54/1,198,601.01 = 481,371.48/x
  3. Step 3: Cross multiply
    868,572.54x = 1,198,601.01 × 481,371.48
  4. Step 4: Simplify right side
    868,572.54x = 576,972,342,113.20
  5. Step 5: Solve for x
    x = 576,972,342,113.20/868,572.54
  6. Step 6: Final answer
    x = 664,276.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.