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Finding the Fourth Proportional to 269,595.80, 404,652.90 and 136,626.20

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Solution

The fourth proportional to 269,595.80, 404,652.90 and 136,626.20 is: 205,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,595.80 : 404,652.90 = 136,626.20 : x
  2. Step 2: Convert to fraction form
    269,595.80/404,652.90 = 136,626.20/x
  3. Step 3: Cross multiply
    269,595.80x = 404,652.90 × 136,626.20
  4. Step 4: Simplify right side
    269,595.80x = 55,286,188,045.98
  5. Step 5: Solve for x
    x = 55,286,188,045.98/269,595.80
  6. Step 6: Final answer
    x = 205,070.66

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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.