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Finding the Fourth Proportional to 589.02, 883.61 and 178.12

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Solution

The fourth proportional to 589.02, 883.61 and 178.12 is: 267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.02 : 883.61 = 178.12 : x
  2. Step 2: Convert to fraction form
    589.02/883.61 = 178.12/x
  3. Step 3: Cross multiply
    589.02x = 883.61 × 178.12
  4. Step 4: Simplify right side
    589.02x = 157,388.61
  5. Step 5: Solve for x
    x = 157,388.61/589.02
  6. Step 6: Final answer
    x = 267.20

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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.