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Finding the Fourth Proportional to 360,253.97, 497,154.17 and 196,915.15

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Solution

The fourth proportional to 360,253.97, 497,154.17 and 196,915.15 is: 271,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,253.97 : 497,154.17 = 196,915.15 : x
  2. Step 2: Convert to fraction form
    360,253.97/497,154.17 = 196,915.15/x
  3. Step 3: Cross multiply
    360,253.97x = 497,154.17 × 196,915.15
  4. Step 4: Simplify right side
    360,253.97x = 97,897,185,472.90
  5. Step 5: Solve for x
    x = 97,897,185,472.90/360,253.97
  6. Step 6: Final answer
    x = 271,744.92

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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.