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Finding the Fourth Proportional to 272,042.10, 408,063.15 and 244,485.90

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Solution

The fourth proportional to 272,042.10, 408,063.15 and 244,485.90 is: 366,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,042.10 : 408,063.15 = 244,485.90 : x
  2. Step 2: Convert to fraction form
    272,042.10/408,063.15 = 244,485.90/x
  3. Step 3: Cross multiply
    272,042.10x = 408,063.15 × 244,485.90
  4. Step 4: Simplify right side
    272,042.10x = 99,765,686,484.59
  5. Step 5: Solve for x
    x = 99,765,686,484.59/272,042.10
  6. Step 6: Final answer
    x = 366,728.85

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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.