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Finding the Fourth Proportional to 269,549.20, 403,546.20 and 261,773.20

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Solution

The fourth proportional to 269,549.20, 403,546.20 and 261,773.20 is: 391,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,549.20 : 403,546.20 = 261,773.20 : x
  2. Step 2: Convert to fraction form
    269,549.20/403,546.20 = 261,773.20/x
  3. Step 3: Cross multiply
    269,549.20x = 403,546.20 × 261,773.20
  4. Step 4: Simplify right side
    269,549.20x = 105,637,580,121.84
  5. Step 5: Solve for x
    x = 105,637,580,121.84/269,549.20
  6. Step 6: Final answer
    x = 391,904.63

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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.