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Finding the Fourth Proportional to 477,170.52, 715,737.07 and 161,627.41

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Solution

The fourth proportional to 477,170.52, 715,737.07 and 161,627.41 is: 242,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,170.52 : 715,737.07 = 161,627.41 : x
  2. Step 2: Convert to fraction form
    477,170.52/715,737.07 = 161,627.41/x
  3. Step 3: Cross multiply
    477,170.52x = 715,737.07 × 161,627.41
  4. Step 4: Simplify right side
    477,170.52x = 115,682,728,865.09
  5. Step 5: Solve for x
    x = 115,682,728,865.09/477,170.52
  6. Step 6: Final answer
    x = 242,434.78

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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.