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Finding the Fourth Proportional to 584.30, 876.48 and 173.42

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Solution

The fourth proportional to 584.30, 876.48 and 173.42 is: 260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.30 : 876.48 = 173.42 : x
  2. Step 2: Convert to fraction form
    584.30/876.48 = 173.42/x
  3. Step 3: Cross multiply
    584.30x = 876.48 × 173.42
  4. Step 4: Simplify right side
    584.30x = 151,999.16
  5. Step 5: Solve for x
    x = 151,999.16/584.30
  6. Step 6: Final answer
    x = 260.14

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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.