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Finding the Fourth Proportional to 269,738.20, 404,261.70 and 240,016.60

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Solution

The fourth proportional to 269,738.20, 404,261.70 and 240,016.60 is: 359,717.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,738.20 : 404,261.70 = 240,016.60 : x
  2. Step 2: Convert to fraction form
    269,738.20/404,261.70 = 240,016.60/x
  3. Step 3: Cross multiply
    269,738.20x = 404,261.70 × 240,016.60
  4. Step 4: Simplify right side
    269,738.20x = 97,029,518,744.22
  5. Step 5: Solve for x
    x = 97,029,518,744.22/269,738.20
  6. Step 6: Final answer
    x = 359,717.38

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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.