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Finding the Fourth Proportional to 759.16, 1,046.89 and 562.33

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Solution

The fourth proportional to 759.16, 1,046.89 and 562.33 is: 775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    759.16 : 1,046.89 = 562.33 : x
  2. Step 2: Convert to fraction form
    759.16/1,046.89 = 562.33/x
  3. Step 3: Cross multiply
    759.16x = 1,046.89 × 562.33
  4. Step 4: Simplify right side
    759.16x = 588,697.65
  5. Step 5: Solve for x
    x = 588,697.65/759.16
  6. Step 6: Final answer
    x = 775.46

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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.