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Finding the Fourth Proportional to 259,780.80, 389,671.20 and 244,034.40

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Solution

The fourth proportional to 259,780.80, 389,671.20 and 244,034.40 is: 366,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,780.80 : 389,671.20 = 244,034.40 : x
  2. Step 2: Convert to fraction form
    259,780.80/389,671.20 = 244,034.40/x
  3. Step 3: Cross multiply
    259,780.80x = 389,671.20 × 244,034.40
  4. Step 4: Simplify right side
    259,780.80x = 95,093,177,489.28
  5. Step 5: Solve for x
    x = 95,093,177,489.28/259,780.80
  6. Step 6: Final answer
    x = 366,051.60

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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.