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Finding the Fourth Proportional to 754.94, 1,132.38 and 364.82

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Solution

The fourth proportional to 754.94, 1,132.38 and 364.82 is: 547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    754.94 : 1,132.38 = 364.82 : x
  2. Step 2: Convert to fraction form
    754.94/1,132.38 = 364.82/x
  3. Step 3: Cross multiply
    754.94x = 1,132.38 × 364.82
  4. Step 4: Simplify right side
    754.94x = 413,117.70
  5. Step 5: Solve for x
    x = 413,117.70/754.94
  6. Step 6: Final answer
    x = 547.22

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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.