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Finding the Fourth Proportional to 586.16, 879.29 and 196.14

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Solution

The fourth proportional to 586.16, 879.29 and 196.14 is: 294.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.16 : 879.29 = 196.14 : x
  2. Step 2: Convert to fraction form
    586.16/879.29 = 196.14/x
  3. Step 3: Cross multiply
    586.16x = 879.29 × 196.14
  4. Step 4: Simplify right side
    586.16x = 172,462.96
  5. Step 5: Solve for x
    x = 172,462.96/586.16
  6. Step 6: Final answer
    x = 294.23

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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.