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Finding the Fourth Proportional to 367,786.44, 551,679.78 and 118,468.44

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Solution

The fourth proportional to 367,786.44, 551,679.78 and 118,468.44 is: 177,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,786.44 : 551,679.78 = 118,468.44 : x
  2. Step 2: Convert to fraction form
    367,786.44/551,679.78 = 118,468.44/x
  3. Step 3: Cross multiply
    367,786.44x = 551,679.78 × 118,468.44
  4. Step 4: Simplify right side
    367,786.44x = 65,356,642,916.14
  5. Step 5: Solve for x
    x = 65,356,642,916.14/367,786.44
  6. Step 6: Final answer
    x = 177,702.70

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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.