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Finding the Fourth Proportional to 269,716.66, 402,524.12 and 239,823.88

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Solution

The fourth proportional to 269,716.66, 402,524.12 and 239,823.88 is: 357,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,716.66 : 402,524.12 = 239,823.88 : x
  2. Step 2: Convert to fraction form
    269,716.66/402,524.12 = 239,823.88/x
  3. Step 3: Cross multiply
    269,716.66x = 402,524.12 × 239,823.88
  4. Step 4: Simplify right side
    269,716.66x = 96,534,896,251.99
  5. Step 5: Solve for x
    x = 96,534,896,251.99/269,716.66
  6. Step 6: Final answer
    x = 357,912.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.