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Finding the Fourth Proportional to 477,984.33, 717,127.19 and 225,254.61

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Solution

The fourth proportional to 477,984.33, 717,127.19 and 225,254.61 is: 337,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,984.33 : 717,127.19 = 225,254.61 : x
  2. Step 2: Convert to fraction form
    477,984.33/717,127.19 = 225,254.61/x
  3. Step 3: Cross multiply
    477,984.33x = 717,127.19 × 225,254.61
  4. Step 4: Simplify right side
    477,984.33x = 161,536,205,503.85
  5. Step 5: Solve for x
    x = 161,536,205,503.85/477,984.33
  6. Step 6: Final answer
    x = 337,952.93

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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.