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Finding the Fourth Proportional to 650,149.45, 897,273.78 and 374,516.83

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Solution

The fourth proportional to 650,149.45, 897,273.78 and 374,516.83 is: 516,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,149.45 : 897,273.78 = 374,516.83 : x
  2. Step 2: Convert to fraction form
    650,149.45/897,273.78 = 374,516.83/x
  3. Step 3: Cross multiply
    650,149.45x = 897,273.78 × 374,516.83
  4. Step 4: Simplify right side
    650,149.45x = 336,044,131,727.72
  5. Step 5: Solve for x
    x = 336,044,131,727.72/650,149.45
  6. Step 6: Final answer
    x = 516,872.13

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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.