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Finding the Fourth Proportional to 589.19, 883.91 and 178.31

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Solution

The fourth proportional to 589.19, 883.91 and 178.31 is: 267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.19 : 883.91 = 178.31 : x
  2. Step 2: Convert to fraction form
    589.19/883.91 = 178.31/x
  3. Step 3: Cross multiply
    589.19x = 883.91 × 178.31
  4. Step 4: Simplify right side
    589.19x = 157,612.65
  5. Step 5: Solve for x
    x = 157,612.65/589.19
  6. Step 6: Final answer
    x = 267.51

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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.