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Finding the Fourth Proportional to 412.11, 568.58 and 294.11

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Solution

The fourth proportional to 412.11, 568.58 and 294.11 is: 405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.11 : 568.58 = 294.11 : x
  2. Step 2: Convert to fraction form
    412.11/568.58 = 294.11/x
  3. Step 3: Cross multiply
    412.11x = 568.58 × 294.11
  4. Step 4: Simplify right side
    412.11x = 167,220.75
  5. Step 5: Solve for x
    x = 167,220.75/412.11
  6. Step 6: Final answer
    x = 405.77

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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.