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Finding the Fourth Proportional to 263,472.26, 363,801.34 and 243,321.79

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Solution

The fourth proportional to 263,472.26, 363,801.34 and 243,321.79 is: 335,977.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,472.26 : 363,801.34 = 243,321.79 : x
  2. Step 2: Convert to fraction form
    263,472.26/363,801.34 = 243,321.79/x
  3. Step 3: Cross multiply
    263,472.26x = 363,801.34 × 243,321.79
  4. Step 4: Simplify right side
    263,472.26x = 88,520,793,253.20
  5. Step 5: Solve for x
    x = 88,520,793,253.20/263,472.26
  6. Step 6: Final answer
    x = 335,977.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.