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Finding the Fourth Proportional to 477,982.33, 717,124.19 and 225,252.61

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Solution

The fourth proportional to 477,982.33, 717,124.19 and 225,252.61 is: 337,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,982.33 : 717,124.19 = 225,252.61 : x
  2. Step 2: Convert to fraction form
    477,982.33/717,124.19 = 225,252.61/x
  3. Step 3: Cross multiply
    477,982.33x = 717,124.19 × 225,252.61
  4. Step 4: Simplify right side
    477,982.33x = 161,534,095,491.64
  5. Step 5: Solve for x
    x = 161,534,095,491.64/477,982.33
  6. Step 6: Final answer
    x = 337,949.93

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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.