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Finding the Fourth Proportional to 391,141.92, 586,618.92 and 180,577.56

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Solution

The fourth proportional to 391,141.92, 586,618.92 and 180,577.56 is: 270,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,141.92 : 586,618.92 = 180,577.56 : x
  2. Step 2: Convert to fraction form
    391,141.92/586,618.92 = 180,577.56/x
  3. Step 3: Cross multiply
    391,141.92x = 586,618.92 × 180,577.56
  4. Step 4: Simplify right side
    391,141.92x = 105,930,213,223.44
  5. Step 5: Solve for x
    x = 105,930,213,223.44/391,141.92
  6. Step 6: Final answer
    x = 270,822.96

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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.