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Finding the Fourth Proportional to 317,276.62, 437,839.03 and 174,034.06

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Solution

The fourth proportional to 317,276.62, 437,839.03 and 174,034.06 is: 240,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,276.62 : 437,839.03 = 174,034.06 : x
  2. Step 2: Convert to fraction form
    317,276.62/437,839.03 = 174,034.06/x
  3. Step 3: Cross multiply
    317,276.62x = 437,839.03 × 174,034.06
  4. Step 4: Simplify right side
    317,276.62x = 76,198,900,958.00
  5. Step 5: Solve for x
    x = 76,198,900,958.00/317,276.62
  6. Step 6: Final answer
    x = 240,165.51

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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.