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Finding the Fourth Proportional to 588.92, 812.73 and 340.23

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Solution

The fourth proportional to 588.92, 812.73 and 340.23 is: 469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.92 : 812.73 = 340.23 : x
  2. Step 2: Convert to fraction form
    588.92/812.73 = 340.23/x
  3. Step 3: Cross multiply
    588.92x = 812.73 × 340.23
  4. Step 4: Simplify right side
    588.92x = 276,516.90
  5. Step 5: Solve for x
    x = 276,516.90/588.92
  6. Step 6: Final answer
    x = 469.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.