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Finding the Fourth Proportional to 950.46, 1,311.53 and 586.59

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Solution

The fourth proportional to 950.46, 1,311.53 and 586.59 is: 809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.46 : 1,311.53 = 586.59 : x
  2. Step 2: Convert to fraction form
    950.46/1,311.53 = 586.59/x
  3. Step 3: Cross multiply
    950.46x = 1,311.53 × 586.59
  4. Step 4: Simplify right side
    950.46x = 769,330.38
  5. Step 5: Solve for x
    x = 769,330.38/950.46
  6. Step 6: Final answer
    x = 809.43

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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.