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Finding the Fourth Proportional to 1,496.02, 2,242.02 and 674.86

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Solution

The fourth proportional to 1,496.02, 2,242.02 and 674.86 is: 1,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.02 : 2,242.02 = 674.86 : x
  2. Step 2: Convert to fraction form
    1,496.02/2,242.02 = 674.86/x
  3. Step 3: Cross multiply
    1,496.02x = 2,242.02 × 674.86
  4. Step 4: Simplify right side
    1,496.02x = 1,513,049.62
  5. Step 5: Solve for x
    x = 1,513,049.62/1,496.02
  6. Step 6: Final answer
    x = 1,011.38

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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.