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Finding the Fourth Proportional to 252,025.60, 377,649.60 and 218,588.80

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Solution

The fourth proportional to 252,025.60, 377,649.60 and 218,588.80 is: 327,545.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,025.60 : 377,649.60 = 218,588.80 : x
  2. Step 2: Convert to fraction form
    252,025.60/377,649.60 = 218,588.80/x
  3. Step 3: Cross multiply
    252,025.60x = 377,649.60 × 218,588.80
  4. Step 4: Simplify right side
    252,025.60x = 82,549,972,884.48
  5. Step 5: Solve for x
    x = 82,549,972,884.48/252,025.60
  6. Step 6: Final answer
    x = 327,545.98

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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.