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Finding the Fourth Proportional to 367,882.76, 507,681.56 and 222,691.88

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Solution

The fourth proportional to 367,882.76, 507,681.56 and 222,691.88 is: 307,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,882.76 : 507,681.56 = 222,691.88 : x
  2. Step 2: Convert to fraction form
    367,882.76/507,681.56 = 222,691.88/x
  3. Step 3: Cross multiply
    367,882.76x = 507,681.56 × 222,691.88
  4. Step 4: Simplify right side
    367,882.76x = 113,056,561,037.73
  5. Step 5: Solve for x
    x = 113,056,561,037.73/367,882.76
  6. Step 6: Final answer
    x = 307,316.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.