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Finding the Fourth Proportional to 412.02, 568.59 and 234.96

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Solution

The fourth proportional to 412.02, 568.59 and 234.96 is: 324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.02 : 568.59 = 234.96 : x
  2. Step 2: Convert to fraction form
    412.02/568.59 = 234.96/x
  3. Step 3: Cross multiply
    412.02x = 568.59 × 234.96
  4. Step 4: Simplify right side
    412.02x = 133,595.91
  5. Step 5: Solve for x
    x = 133,595.91/412.02
  6. Step 6: Final answer
    x = 324.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.