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Finding the Fourth Proportional to 526,920.92, 790,383.30 and 127,560.96

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Solution

The fourth proportional to 526,920.92, 790,383.30 and 127,560.96 is: 191,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,920.92 : 790,383.30 = 127,560.96 : x
  2. Step 2: Convert to fraction form
    526,920.92/790,383.30 = 127,560.96/x
  3. Step 3: Cross multiply
    526,920.92x = 790,383.30 × 127,560.96
  4. Step 4: Simplify right side
    526,920.92x = 100,822,052,515.97
  5. Step 5: Solve for x
    x = 100,822,052,515.97/526,920.92
  6. Step 6: Final answer
    x = 191,341.90

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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.