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Finding the Fourth Proportional to 757.04, 1,044.18 and 533.44

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Solution

The fourth proportional to 757.04, 1,044.18 and 533.44 is: 735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    757.04 : 1,044.18 = 533.44 : x
  2. Step 2: Convert to fraction form
    757.04/1,044.18 = 533.44/x
  3. Step 3: Cross multiply
    757.04x = 1,044.18 × 533.44
  4. Step 4: Simplify right side
    757.04x = 557,007.38
  5. Step 5: Solve for x
    x = 557,007.38/757.04
  6. Step 6: Final answer
    x = 735.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.