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Finding the Fourth Proportional to 263,999.32, 395,701.50 and 130,974.92

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Solution

The fourth proportional to 263,999.32, 395,701.50 and 130,974.92 is: 196,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,999.32 : 395,701.50 = 130,974.92 : x
  2. Step 2: Convert to fraction form
    263,999.32/395,701.50 = 130,974.92/x
  3. Step 3: Cross multiply
    263,999.32x = 395,701.50 × 130,974.92
  4. Step 4: Simplify right side
    263,999.32x = 51,826,972,306.38
  5. Step 5: Solve for x
    x = 51,826,972,306.38/263,999.32
  6. Step 6: Final answer
    x = 196,314.79

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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.