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Finding the Fourth Proportional to 584.60, 876.77 and 173.64

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Solution

The fourth proportional to 584.60, 876.77 and 173.64 is: 260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.60 : 876.77 = 173.64 : x
  2. Step 2: Convert to fraction form
    584.60/876.77 = 173.64/x
  3. Step 3: Cross multiply
    584.60x = 876.77 × 173.64
  4. Step 4: Simplify right side
    584.60x = 152,237.09
  5. Step 5: Solve for x
    x = 152,237.09/584.60
  6. Step 6: Final answer
    x = 260.41

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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.