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Finding the Fourth Proportional to 589.02, 883.66 and 178.15

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Solution

The fourth proportional to 589.02, 883.66 and 178.15 is: 267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.02 : 883.66 = 178.15 : x
  2. Step 2: Convert to fraction form
    589.02/883.66 = 178.15/x
  3. Step 3: Cross multiply
    589.02x = 883.66 × 178.15
  4. Step 4: Simplify right side
    589.02x = 157,423.37
  5. Step 5: Solve for x
    x = 157,423.37/589.02
  6. Step 6: Final answer
    x = 267.26

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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.