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Finding the Fourth Proportional to 697.10, 1,044.28 and 567.25

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Solution

The fourth proportional to 697.10, 1,044.28 and 567.25 is: 849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.10 : 1,044.28 = 567.25 : x
  2. Step 2: Convert to fraction form
    697.10/1,044.28 = 567.25/x
  3. Step 3: Cross multiply
    697.10x = 1,044.28 × 567.25
  4. Step 4: Simplify right side
    697.10x = 592,367.83
  5. Step 5: Solve for x
    x = 592,367.83/697.10
  6. Step 6: Final answer
    x = 849.76

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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.