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Finding the Fourth Proportional to 367,490.80, 551,203.80 and 101,227.60

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Solution

The fourth proportional to 367,490.80, 551,203.80 and 101,227.60 is: 151,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,490.80 : 551,203.80 = 101,227.60 : x
  2. Step 2: Convert to fraction form
    367,490.80/551,203.80 = 101,227.60/x
  3. Step 3: Cross multiply
    367,490.80x = 551,203.80 × 101,227.60
  4. Step 4: Simplify right side
    367,490.80x = 55,797,037,784.88
  5. Step 5: Solve for x
    x = 55,797,037,784.88/367,490.80
  6. Step 6: Final answer
    x = 151,832.48

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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.