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Finding the Fourth Proportional to 269,716.20, 404,477.10 and 136,552.20

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Solution

The fourth proportional to 269,716.20, 404,477.10 and 136,552.20 is: 204,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,716.20 : 404,477.10 = 136,552.20 : x
  2. Step 2: Convert to fraction form
    269,716.20/404,477.10 = 136,552.20/x
  3. Step 3: Cross multiply
    269,716.20x = 404,477.10 × 136,552.20
  4. Step 4: Simplify right side
    269,716.20x = 55,232,237,854.62
  5. Step 5: Solve for x
    x = 55,232,237,854.62/269,716.20
  6. Step 6: Final answer
    x = 204,779.09

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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.