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Finding the Fourth Proportional to 269,867.20, 404,455.20 and 207,227.20

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Solution

The fourth proportional to 269,867.20, 404,455.20 and 207,227.20 is: 310,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,867.20 : 404,455.20 = 207,227.20 : x
  2. Step 2: Convert to fraction form
    269,867.20/404,455.20 = 207,227.20/x
  3. Step 3: Cross multiply
    269,867.20x = 404,455.20 × 207,227.20
  4. Step 4: Simplify right side
    269,867.20x = 83,814,118,621.44
  5. Step 5: Solve for x
    x = 83,814,118,621.44/269,867.20
  6. Step 6: Final answer
    x = 310,575.42

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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.