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Finding the Fourth Proportional to 584.82, 876.60 and 311.04

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Solution

The fourth proportional to 584.82, 876.60 and 311.04 is: 466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.82 : 876.60 = 311.04 : x
  2. Step 2: Convert to fraction form
    584.82/876.60 = 311.04/x
  3. Step 3: Cross multiply
    584.82x = 876.60 × 311.04
  4. Step 4: Simplify right side
    584.82x = 272,657.66
  5. Step 5: Solve for x
    x = 272,657.66/584.82
  6. Step 6: Final answer
    x = 466.22

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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.