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Finding the Fourth Proportional to 317,286.62, 437,794.92 and 181,363.64

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Solution

The fourth proportional to 317,286.62, 437,794.92 and 181,363.64 is: 250,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,286.62 : 437,794.92 = 181,363.64 : x
  2. Step 2: Convert to fraction form
    317,286.62/437,794.92 = 181,363.64/x
  3. Step 3: Cross multiply
    317,286.62x = 437,794.92 × 181,363.64
  4. Step 4: Simplify right side
    317,286.62x = 79,400,080,264.71
  5. Step 5: Solve for x
    x = 79,400,080,264.71/317,286.62
  6. Step 6: Final answer
    x = 250,247.17

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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.