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Finding the Fourth Proportional to 587.71, 881.60 and 176.84

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Solution

The fourth proportional to 587.71, 881.60 and 176.84 is: 265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.71 : 881.60 = 176.84 : x
  2. Step 2: Convert to fraction form
    587.71/881.60 = 176.84/x
  3. Step 3: Cross multiply
    587.71x = 881.60 × 176.84
  4. Step 4: Simplify right side
    587.71x = 155,896.85
  5. Step 5: Solve for x
    x = 155,896.85/587.71
  6. Step 6: Final answer
    x = 265.26

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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.