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Finding the Fourth Proportional to 269,000.26, 403,553.52 and 79,463.86

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Solution

The fourth proportional to 269,000.26, 403,553.52 and 79,463.86 is: 119,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,000.26 : 403,553.52 = 79,463.86 : x
  2. Step 2: Convert to fraction form
    269,000.26/403,553.52 = 79,463.86/x
  3. Step 3: Cross multiply
    269,000.26x = 403,553.52 × 79,463.86
  4. Step 4: Simplify right side
    269,000.26x = 32,067,920,415.79
  5. Step 5: Solve for x
    x = 32,067,920,415.79/269,000.26
  6. Step 6: Final answer
    x = 119,211.48

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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.