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Finding the Fourth Proportional to 585.34, 878.01 and 174.62

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Solution

The fourth proportional to 585.34, 878.01 and 174.62 is: 261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.34 : 878.01 = 174.62 : x
  2. Step 2: Convert to fraction form
    585.34/878.01 = 174.62/x
  3. Step 3: Cross multiply
    585.34x = 878.01 × 174.62
  4. Step 4: Simplify right side
    585.34x = 153,317.23
  5. Step 5: Solve for x
    x = 153,317.23/585.34
  6. Step 6: Final answer
    x = 261.93

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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.