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Finding the Fourth Proportional to 494,559.70, 741,839.55 and 317,412.70

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Solution

The fourth proportional to 494,559.70, 741,839.55 and 317,412.70 is: 476,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,559.70 : 741,839.55 = 317,412.70 : x
  2. Step 2: Convert to fraction form
    494,559.70/741,839.55 = 317,412.70/x
  3. Step 3: Cross multiply
    494,559.70x = 741,839.55 × 317,412.70
  4. Step 4: Simplify right side
    494,559.70x = 235,469,294,532.29
  5. Step 5: Solve for x
    x = 235,469,294,532.29/494,559.70
  6. Step 6: Final answer
    x = 476,119.05

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.