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Finding the Fourth Proportional to 227,719.90, 340,965.45 and 227,719.90

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Solution

The fourth proportional to 227,719.90, 340,965.45 and 227,719.90 is: 340,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,719.90 : 340,965.45 = 227,719.90 : x
  2. Step 2: Convert to fraction form
    227,719.90/340,965.45 = 227,719.90/x
  3. Step 3: Cross multiply
    227,719.90x = 340,965.45 × 227,719.90
  4. Step 4: Simplify right side
    227,719.90x = 77,644,618,177.46
  5. Step 5: Solve for x
    x = 77,644,618,177.46/227,719.90
  6. Step 6: Final answer
    x = 340,965.45

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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.