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Finding the Fourth Proportional to 608.97, 913.47 and 176.13

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Solution

The fourth proportional to 608.97, 913.47 and 176.13 is: 264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.97 : 913.47 = 176.13 : x
  2. Step 2: Convert to fraction form
    608.97/913.47 = 176.13/x
  3. Step 3: Cross multiply
    608.97x = 913.47 × 176.13
  4. Step 4: Simplify right side
    608.97x = 160,889.03
  5. Step 5: Solve for x
    x = 160,889.03/608.97
  6. Step 6: Final answer
    x = 264.20

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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.