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Finding the Fourth Proportional to 562.44, 848.70 and 539.96

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Solution

The fourth proportional to 562.44, 848.70 and 539.96 is: 814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.44 : 848.70 = 539.96 : x
  2. Step 2: Convert to fraction form
    562.44/848.70 = 539.96/x
  3. Step 3: Cross multiply
    562.44x = 848.70 × 539.96
  4. Step 4: Simplify right side
    562.44x = 458,264.05
  5. Step 5: Solve for x
    x = 458,264.05/562.44
  6. Step 6: Final answer
    x = 814.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.