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Finding the Fourth Proportional to 367,719.40, 551,060.70 and 227,060.20

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Solution

The fourth proportional to 367,719.40, 551,060.70 and 227,060.20 is: 340,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,719.40 : 551,060.70 = 227,060.20 : x
  2. Step 2: Convert to fraction form
    367,719.40/551,060.70 = 227,060.20/x
  3. Step 3: Cross multiply
    367,719.40x = 551,060.70 × 227,060.20
  4. Step 4: Simplify right side
    367,719.40x = 125,123,952,754.14
  5. Step 5: Solve for x
    x = 125,123,952,754.14/367,719.40
  6. Step 6: Final answer
    x = 340,270.20

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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.