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Finding the Fourth Proportional to 317,274.53, 437,861.12 and 181,328.58

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Solution

The fourth proportional to 317,274.53, 437,861.12 and 181,328.58 is: 250,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,274.53 : 437,861.12 = 181,328.58 : x
  2. Step 2: Convert to fraction form
    317,274.53/437,861.12 = 181,328.58/x
  3. Step 3: Cross multiply
    317,274.53x = 437,861.12 × 181,328.58
  4. Step 4: Simplify right side
    317,274.53x = 79,396,734,220.17
  5. Step 5: Solve for x
    x = 79,396,734,220.17/317,274.53
  6. Step 6: Final answer
    x = 250,246.17

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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.