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Finding the Fourth Proportional to 305,856.92, 458,785.20 and 95,512.88

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Solution

The fourth proportional to 305,856.92, 458,785.20 and 95,512.88 is: 143,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,856.92 : 458,785.20 = 95,512.88 : x
  2. Step 2: Convert to fraction form
    305,856.92/458,785.20 = 95,512.88/x
  3. Step 3: Cross multiply
    305,856.92x = 458,785.20 × 95,512.88
  4. Step 4: Simplify right side
    305,856.92x = 43,819,895,753.38
  5. Step 5: Solve for x
    x = 43,819,895,753.38/305,856.92
  6. Step 6: Final answer
    x = 143,269.26

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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.