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Finding the Fourth Proportional to 367,319.78, 550,728.13 and 187,056.27

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Solution

The fourth proportional to 367,319.78, 550,728.13 and 187,056.27 is: 280,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,319.78 : 550,728.13 = 187,056.27 : x
  2. Step 2: Convert to fraction form
    367,319.78/550,728.13 = 187,056.27/x
  3. Step 3: Cross multiply
    367,319.78x = 550,728.13 × 187,056.27
  4. Step 4: Simplify right side
    367,319.78x = 103,017,149,781.88
  5. Step 5: Solve for x
    x = 103,017,149,781.88/367,319.78
  6. Step 6: Final answer
    x = 280,456.31

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1.5x scale

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.