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Finding the Fourth Proportional to 317,257.77, 437,913.77 and 204,080.52

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Solution

The fourth proportional to 317,257.77, 437,913.77 and 204,080.52 is: 281,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,257.77 : 437,913.77 = 204,080.52 : x
  2. Step 2: Convert to fraction form
    317,257.77/437,913.77 = 204,080.52/x
  3. Step 3: Cross multiply
    317,257.77x = 437,913.77 × 204,080.52
  4. Step 4: Simplify right side
    317,257.77x = 89,369,668,876.36
  5. Step 5: Solve for x
    x = 89,369,668,876.36/317,257.77
  6. Step 6: Final answer
    x = 281,694.18

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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.