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Finding the Fourth Proportional to 247,543.72, 371,039.10 and 227,615.56

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Solution

The fourth proportional to 247,543.72, 371,039.10 and 227,615.56 is: 341,169.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,543.72 : 371,039.10 = 227,615.56 : x
  2. Step 2: Convert to fraction form
    247,543.72/371,039.10 = 227,615.56/x
  3. Step 3: Cross multiply
    247,543.72x = 371,039.10 × 227,615.56
  4. Step 4: Simplify right side
    247,543.72x = 84,454,272,528.40
  5. Step 5: Solve for x
    x = 84,454,272,528.40/247,543.72
  6. Step 6: Final answer
    x = 341,169.12

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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.