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Finding the Fourth Proportional to 526,650.76, 789,789.32 and 189,600.92

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Solution

The fourth proportional to 526,650.76, 789,789.32 and 189,600.92 is: 284,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,650.76 : 789,789.32 = 189,600.92 : x
  2. Step 2: Convert to fraction form
    526,650.76/789,789.32 = 189,600.92/x
  3. Step 3: Cross multiply
    526,650.76x = 789,789.32 × 189,600.92
  4. Step 4: Simplify right side
    526,650.76x = 149,744,776,781.22
  5. Step 5: Solve for x
    x = 149,744,776,781.22/526,650.76
  6. Step 6: Final answer
    x = 284,334.11

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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.