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Finding the Fourth Proportional to 585.81, 878.45 and 174.83

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Solution

The fourth proportional to 585.81, 878.45 and 174.83 is: 262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.81 : 878.45 = 174.83 : x
  2. Step 2: Convert to fraction form
    585.81/878.45 = 174.83/x
  3. Step 3: Cross multiply
    585.81x = 878.45 × 174.83
  4. Step 4: Simplify right side
    585.81x = 153,574.15
  5. Step 5: Solve for x
    x = 153,574.15/585.81
  6. Step 6: Final answer
    x = 262.16

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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.