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Finding the Fourth Proportional to 300,592.17, 415,098.18 and 193,348.38

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Solution

The fourth proportional to 300,592.17, 415,098.18 and 193,348.38 is: 267,001.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,592.17 : 415,098.18 = 193,348.38 : x
  2. Step 2: Convert to fraction form
    300,592.17/415,098.18 = 193,348.38/x
  3. Step 3: Cross multiply
    300,592.17x = 415,098.18 × 193,348.38
  4. Step 4: Simplify right side
    300,592.17x = 80,258,560,643.95
  5. Step 5: Solve for x
    x = 80,258,560,643.95/300,592.17
  6. Step 6: Final answer
    x = 267,001.50

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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.