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Finding the Fourth Proportional to 759.15, 1,046.25 and 562.32

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Solution

The fourth proportional to 759.15, 1,046.25 and 562.32 is: 774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    759.15 : 1,046.25 = 562.32 : x
  2. Step 2: Convert to fraction form
    759.15/1,046.25 = 562.32/x
  3. Step 3: Cross multiply
    759.15x = 1,046.25 × 562.32
  4. Step 4: Simplify right side
    759.15x = 588,327.30
  5. Step 5: Solve for x
    x = 588,327.30/759.15
  6. Step 6: Final answer
    x = 774.98

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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.