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Finding the Fourth Proportional to 566.47, 851.19 and 531.44

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Solution

The fourth proportional to 566.47, 851.19 and 531.44 is: 798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.47 : 851.19 = 531.44 : x
  2. Step 2: Convert to fraction form
    566.47/851.19 = 531.44/x
  3. Step 3: Cross multiply
    566.47x = 851.19 × 531.44
  4. Step 4: Simplify right side
    566.47x = 452,356.41
  5. Step 5: Solve for x
    x = 452,356.41/566.47
  6. Step 6: Final answer
    x = 798.55

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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.