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Finding the Fourth Proportional to 1,494.07, 2,241.46 and 506.87

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Solution

The fourth proportional to 1,494.07, 2,241.46 and 506.87 is: 760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.07 : 2,241.46 = 506.87 : x
  2. Step 2: Convert to fraction form
    1,494.07/2,241.46 = 506.87/x
  3. Step 3: Cross multiply
    1,494.07x = 2,241.46 × 506.87
  4. Step 4: Simplify right side
    1,494.07x = 1,136,126.66
  5. Step 5: Solve for x
    x = 1,136,126.66/1,494.07
  6. Step 6: Final answer
    x = 760.43

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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.