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Finding the Fourth Proportional to 584.33, 875.91 and 259.43

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Solution

The fourth proportional to 584.33, 875.91 and 259.43 is: 388.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.33 : 875.91 = 259.43 : x
  2. Step 2: Convert to fraction form
    584.33/875.91 = 259.43/x
  3. Step 3: Cross multiply
    584.33x = 875.91 × 259.43
  4. Step 4: Simplify right side
    584.33x = 227,237.33
  5. Step 5: Solve for x
    x = 227,237.33/584.33
  6. Step 6: Final answer
    x = 388.89

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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.