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Finding the Fourth Proportional to 702.56, 1,054.44 and 567.29

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Solution

The fourth proportional to 702.56, 1,054.44 and 567.29 is: 851.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.56 : 1,054.44 = 567.29 : x
  2. Step 2: Convert to fraction form
    702.56/1,054.44 = 567.29/x
  3. Step 3: Cross multiply
    702.56x = 1,054.44 × 567.29
  4. Step 4: Simplify right side
    702.56x = 598,168.00
  5. Step 5: Solve for x
    x = 598,168.00/702.56
  6. Step 6: Final answer
    x = 851.42

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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.