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Finding the Fourth Proportional to 370,442.70, 555,945.15 and 244,039.80

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Solution

The fourth proportional to 370,442.70, 555,945.15 and 244,039.80 is: 366,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,442.70 : 555,945.15 = 244,039.80 : x
  2. Step 2: Convert to fraction form
    370,442.70/555,945.15 = 244,039.80/x
  3. Step 3: Cross multiply
    370,442.70x = 555,945.15 × 244,039.80
  4. Step 4: Simplify right side
    370,442.70x = 135,672,743,216.97
  5. Step 5: Solve for x
    x = 135,672,743,216.97/370,442.70
  6. Step 6: Final answer
    x = 366,244.88

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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.