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Finding the Fourth Proportional to 589.06, 888.31 and 580.96

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Solution

The fourth proportional to 589.06, 888.31 and 580.96 is: 876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.06 : 888.31 = 580.96 : x
  2. Step 2: Convert to fraction form
    589.06/888.31 = 580.96/x
  3. Step 3: Cross multiply
    589.06x = 888.31 × 580.96
  4. Step 4: Simplify right side
    589.06x = 516,072.58
  5. Step 5: Solve for x
    x = 516,072.58/589.06
  6. Step 6: Final answer
    x = 876.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.