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Finding the Fourth Proportional to 251,119.60, 376,679.40 and 248,495.20

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Solution

The fourth proportional to 251,119.60, 376,679.40 and 248,495.20 is: 372,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,119.60 : 376,679.40 = 248,495.20 : x
  2. Step 2: Convert to fraction form
    251,119.60/376,679.40 = 248,495.20/x
  3. Step 3: Cross multiply
    251,119.60x = 376,679.40 × 248,495.20
  4. Step 4: Simplify right side
    251,119.60x = 93,603,022,838.88
  5. Step 5: Solve for x
    x = 93,603,022,838.88/251,119.60
  6. Step 6: Final answer
    x = 372,742.80

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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.