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Finding the Fourth Proportional to 565.57, 848.32 and 331.44

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Solution

The fourth proportional to 565.57, 848.32 and 331.44 is: 497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.57 : 848.32 = 331.44 : x
  2. Step 2: Convert to fraction form
    565.57/848.32 = 331.44/x
  3. Step 3: Cross multiply
    565.57x = 848.32 × 331.44
  4. Step 4: Simplify right side
    565.57x = 281,162.94
  5. Step 5: Solve for x
    x = 281,162.94/565.57
  6. Step 6: Final answer
    x = 497.14

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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.