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Finding the Fourth Proportional to 584.39, 875.97 and 219.02

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Solution

The fourth proportional to 584.39, 875.97 and 219.02 is: 328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.39 : 875.97 = 219.02 : x
  2. Step 2: Convert to fraction form
    584.39/875.97 = 219.02/x
  3. Step 3: Cross multiply
    584.39x = 875.97 × 219.02
  4. Step 4: Simplify right side
    584.39x = 191,850.57
  5. Step 5: Solve for x
    x = 191,850.57/584.39
  6. Step 6: Final answer
    x = 328.29

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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.