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Finding the Fourth Proportional to 252,005.80, 377,133.90 and 231,010.60

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Solution

The fourth proportional to 252,005.80, 377,133.90 and 231,010.60 is: 345,713.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,005.80 : 377,133.90 = 231,010.60 : x
  2. Step 2: Convert to fraction form
    252,005.80/377,133.90 = 231,010.60/x
  3. Step 3: Cross multiply
    252,005.80x = 377,133.90 × 231,010.60
  4. Step 4: Simplify right side
    252,005.80x = 87,121,928,519.34
  5. Step 5: Solve for x
    x = 87,121,928,519.34/252,005.80
  6. Step 6: Final answer
    x = 345,713.98

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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.