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Finding the Fourth Proportional to 359,517.42, 538,856.28 and 270,484.92

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Solution

The fourth proportional to 359,517.42, 538,856.28 and 270,484.92 is: 405,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,517.42 : 538,856.28 = 270,484.92 : x
  2. Step 2: Convert to fraction form
    359,517.42/538,856.28 = 270,484.92/x
  3. Step 3: Cross multiply
    359,517.42x = 538,856.28 × 270,484.92
  4. Step 4: Simplify right side
    359,517.42x = 145,752,497,787.30
  5. Step 5: Solve for x
    x = 145,752,497,787.30/359,517.42
  6. Step 6: Final answer
    x = 405,411.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.