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Finding the Fourth Proportional to 1,144.02, 1,716.06 and 495.24

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Solution

The fourth proportional to 1,144.02, 1,716.06 and 495.24 is: 742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144.02 : 1,716.06 = 495.24 : x
  2. Step 2: Convert to fraction form
    1,144.02/1,716.06 = 495.24/x
  3. Step 3: Cross multiply
    1,144.02x = 1,716.06 × 495.24
  4. Step 4: Simplify right side
    1,144.02x = 849,861.55
  5. Step 5: Solve for x
    x = 849,861.55/1,144.02
  6. Step 6: Final answer
    x = 742.87

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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.