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Finding the Fourth Proportional to 270,691.52, 373,545.88 and 155,970.38

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Solution

The fourth proportional to 270,691.52, 373,545.88 and 155,970.38 is: 215,234.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,691.52 : 373,545.88 = 155,970.38 : x
  2. Step 2: Convert to fraction form
    270,691.52/373,545.88 = 155,970.38/x
  3. Step 3: Cross multiply
    270,691.52x = 373,545.88 × 155,970.38
  4. Step 4: Simplify right side
    270,691.52x = 58,262,093,394.97
  5. Step 5: Solve for x
    x = 58,262,093,394.97/270,691.52
  6. Step 6: Final answer
    x = 215,234.28

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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.