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Finding the Fourth Proportional to 269,519.90, 404,279.85 and 92,000.30

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Solution

The fourth proportional to 269,519.90, 404,279.85 and 92,000.30 is: 138,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,519.90 : 404,279.85 = 92,000.30 : x
  2. Step 2: Convert to fraction form
    269,519.90/404,279.85 = 92,000.30/x
  3. Step 3: Cross multiply
    269,519.90x = 404,279.85 × 92,000.30
  4. Step 4: Simplify right side
    269,519.90x = 37,193,867,483.96
  5. Step 5: Solve for x
    x = 37,193,867,483.96/269,519.90
  6. Step 6: Final answer
    x = 138,000.45

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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.