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Finding the Fourth Proportional to 243,909, 367,691.76 and 227,652.48

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Solution

The fourth proportional to 243,909, 367,691.76 and 227,652.48 is: 343,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,909 : 367,691.76 = 227,652.48 : x
  2. Step 2: Convert to fraction form
    243,909/367,691.76 = 227,652.48/x
  3. Step 3: Cross multiply
    243,909x = 367,691.76 × 227,652.48
  4. Step 4: Simplify right side
    243,909x = 83,705,941,039.56
  5. Step 5: Solve for x
    x = 83,705,941,039.56/243,909
  6. Step 6: Final answer
    x = 343,185.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.