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Finding the Fourth Proportional to 332,659.05, 459,073.92 and 189,419.66

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Solution

The fourth proportional to 332,659.05, 459,073.92 and 189,419.66 is: 261,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,659.05 : 459,073.92 = 189,419.66 : x
  2. Step 2: Convert to fraction form
    332,659.05/459,073.92 = 189,419.66/x
  3. Step 3: Cross multiply
    332,659.05x = 459,073.92 × 189,419.66
  4. Step 4: Simplify right side
    332,659.05x = 86,957,623,545.90
  5. Step 5: Solve for x
    x = 86,957,623,545.90/332,659.05
  6. Step 6: Final answer
    x = 261,401.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.