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Finding the Fourth Proportional to 251,125.20, 376,687.80 and 224,881.20

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Solution

The fourth proportional to 251,125.20, 376,687.80 and 224,881.20 is: 337,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,125.20 : 376,687.80 = 224,881.20 : x
  2. Step 2: Convert to fraction form
    251,125.20/376,687.80 = 224,881.20/x
  3. Step 3: Cross multiply
    251,125.20x = 376,687.80 × 224,881.20
  4. Step 4: Simplify right side
    251,125.20x = 84,710,004,489.36
  5. Step 5: Solve for x
    x = 84,710,004,489.36/251,125.20
  6. Step 6: Final answer
    x = 337,321.80

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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.