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Finding the Fourth Proportional to 1,144.41, 1,716.47 and 527.93

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Solution

The fourth proportional to 1,144.41, 1,716.47 and 527.93 is: 791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144.41 : 1,716.47 = 527.93 : x
  2. Step 2: Convert to fraction form
    1,144.41/1,716.47 = 527.93/x
  3. Step 3: Cross multiply
    1,144.41x = 1,716.47 × 527.93
  4. Step 4: Simplify right side
    1,144.41x = 906,176.01
  5. Step 5: Solve for x
    x = 906,176.01/1,144.41
  6. Step 6: Final answer
    x = 791.83

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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.