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Finding the Fourth Proportional to 454,854.97, 627,663.03 and 261,200.90

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Solution

The fourth proportional to 454,854.97, 627,663.03 and 261,200.90 is: 360,436.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,854.97 : 627,663.03 = 261,200.90 : x
  2. Step 2: Convert to fraction form
    454,854.97/627,663.03 = 261,200.90/x
  3. Step 3: Cross multiply
    454,854.97x = 627,663.03 × 261,200.90
  4. Step 4: Simplify right side
    454,854.97x = 163,946,148,332.73
  5. Step 5: Solve for x
    x = 163,946,148,332.73/454,854.97
  6. Step 6: Final answer
    x = 360,436.09

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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.