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Finding the Fourth Proportional to 367,679.22, 507,452.57 and 224,521.85

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Solution

The fourth proportional to 367,679.22, 507,452.57 and 224,521.85 is: 309,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,679.22 : 507,452.57 = 224,521.85 : x
  2. Step 2: Convert to fraction form
    367,679.22/507,452.57 = 224,521.85/x
  3. Step 3: Cross multiply
    367,679.22x = 507,452.57 × 224,521.85
  4. Step 4: Simplify right side
    367,679.22x = 113,934,186,143.78
  5. Step 5: Solve for x
    x = 113,934,186,143.78/367,679.22
  6. Step 6: Final answer
    x = 309,873.88

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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.