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Finding the Fourth Proportional to 568.08, 848.17 and 562.21

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Solution

The fourth proportional to 568.08, 848.17 and 562.21 is: 839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.08 : 848.17 = 562.21 : x
  2. Step 2: Convert to fraction form
    568.08/848.17 = 562.21/x
  3. Step 3: Cross multiply
    568.08x = 848.17 × 562.21
  4. Step 4: Simplify right side
    568.08x = 476,849.66
  5. Step 5: Solve for x
    x = 476,849.66/568.08
  6. Step 6: Final answer
    x = 839.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.