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Finding the Fourth Proportional to 252,023.60, 377,646.60 and 218,586.80

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Solution

The fourth proportional to 252,023.60, 377,646.60 and 218,586.80 is: 327,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,023.60 : 377,646.60 = 218,586.80 : x
  2. Step 2: Convert to fraction form
    252,023.60/377,646.60 = 218,586.80/x
  3. Step 3: Cross multiply
    252,023.60x = 377,646.60 × 218,586.80
  4. Step 4: Simplify right side
    252,023.60x = 82,548,561,824.88
  5. Step 5: Solve for x
    x = 82,548,561,824.88/252,023.60
  6. Step 6: Final answer
    x = 327,542.98

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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.