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Finding the Fourth Proportional to 269,499.70, 404,249.55 and 185,518.90

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Solution

The fourth proportional to 269,499.70, 404,249.55 and 185,518.90 is: 278,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,499.70 : 404,249.55 = 185,518.90 : x
  2. Step 2: Convert to fraction form
    269,499.70/404,249.55 = 185,518.90/x
  3. Step 3: Cross multiply
    269,499.70x = 404,249.55 × 185,518.90
  4. Step 4: Simplify right side
    269,499.70x = 74,995,931,841.50
  5. Step 5: Solve for x
    x = 74,995,931,841.50/269,499.70
  6. Step 6: Final answer
    x = 278,278.35

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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.