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Finding the Fourth Proportional to 454,934.06, 627,606 and 263,836.70

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Solution

The fourth proportional to 454,934.06, 627,606 and 263,836.70 is: 363,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,934.06 : 627,606 = 263,836.70 : x
  2. Step 2: Convert to fraction form
    454,934.06/627,606 = 263,836.70/x
  3. Step 3: Cross multiply
    454,934.06x = 627,606 × 263,836.70
  4. Step 4: Simplify right side
    454,934.06x = 165,585,495,940.20
  5. Step 5: Solve for x
    x = 165,585,495,940.20/454,934.06
  6. Step 6: Final answer
    x = 363,976.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.