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Finding the Fourth Proportional to 268,908.66, 402,828.39 and 246,863.70

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Solution

The fourth proportional to 268,908.66, 402,828.39 and 246,863.70 is: 369,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,908.66 : 402,828.39 = 246,863.70 : x
  2. Step 2: Convert to fraction form
    268,908.66/402,828.39 = 246,863.70/x
  3. Step 3: Cross multiply
    268,908.66x = 402,828.39 × 246,863.70
  4. Step 4: Simplify right side
    268,908.66x = 99,443,706,820.44
  5. Step 5: Solve for x
    x = 99,443,706,820.44/268,908.66
  6. Step 6: Final answer
    x = 369,804.78

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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.