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Finding the Fourth Proportional to 585.86, 878.88 and 174.95

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Solution

The fourth proportional to 585.86, 878.88 and 174.95 is: 262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.86 : 878.88 = 174.95 : x
  2. Step 2: Convert to fraction form
    585.86/878.88 = 174.95/x
  3. Step 3: Cross multiply
    585.86x = 878.88 × 174.95
  4. Step 4: Simplify right side
    585.86x = 153,759.61
  5. Step 5: Solve for x
    x = 153,759.61/585.86
  6. Step 6: Final answer
    x = 262.45

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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.