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Finding the Fourth Proportional to 585.85, 878.76 and 174.98

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Solution

The fourth proportional to 585.85, 878.76 and 174.98 is: 262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.85 : 878.76 = 174.98 : x
  2. Step 2: Convert to fraction form
    585.85/878.76 = 174.98/x
  3. Step 3: Cross multiply
    585.85x = 878.76 × 174.98
  4. Step 4: Simplify right side
    585.85x = 153,765.42
  5. Step 5: Solve for x
    x = 153,765.42/585.85
  6. Step 6: Final answer
    x = 262.47

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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.