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Finding the Fourth Proportional to 371,620.60, 513,049.22 and 244,665.25

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Solution

The fourth proportional to 371,620.60, 513,049.22 and 244,665.25 is: 337,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,620.60 : 513,049.22 = 244,665.25 : x
  2. Step 2: Convert to fraction form
    371,620.60/513,049.22 = 244,665.25/x
  3. Step 3: Cross multiply
    371,620.60x = 513,049.22 × 244,665.25
  4. Step 4: Simplify right side
    371,620.60x = 125,525,315,673.61
  5. Step 5: Solve for x
    x = 125,525,315,673.61/371,620.60
  6. Step 6: Final answer
    x = 337,778.14

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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.