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Finding the Fourth Proportional to 503,745.60, 755,617.12 and 188,227.20

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Solution

The fourth proportional to 503,745.60, 755,617.12 and 188,227.20 is: 282,340.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,745.60 : 755,617.12 = 188,227.20 : x
  2. Step 2: Convert to fraction form
    503,745.60/755,617.12 = 188,227.20/x
  3. Step 3: Cross multiply
    503,745.60x = 755,617.12 × 188,227.20
  4. Step 4: Simplify right side
    503,745.60x = 142,227,694,769.66
  5. Step 5: Solve for x
    x = 142,227,694,769.66/503,745.60
  6. Step 6: Final answer
    x = 282,340.32

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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.