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Finding the Fourth Proportional to 251,115.60, 376,673.40 and 248,491.20

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Solution

The fourth proportional to 251,115.60, 376,673.40 and 248,491.20 is: 372,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,115.60 : 376,673.40 = 248,491.20 : x
  2. Step 2: Convert to fraction form
    251,115.60/376,673.40 = 248,491.20/x
  3. Step 3: Cross multiply
    251,115.60x = 376,673.40 × 248,491.20
  4. Step 4: Simplify right side
    251,115.60x = 93,600,025,174.08
  5. Step 5: Solve for x
    x = 93,600,025,174.08/251,115.60
  6. Step 6: Final answer
    x = 372,736.80

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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.