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Finding the Fourth Proportional to 592.54, 817.70 and 343.87

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Solution

The fourth proportional to 592.54, 817.70 and 343.87 is: 474.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.54 : 817.70 = 343.87 : x
  2. Step 2: Convert to fraction form
    592.54/817.70 = 343.87/x
  3. Step 3: Cross multiply
    592.54x = 817.70 × 343.87
  4. Step 4: Simplify right side
    592.54x = 281,178.74
  5. Step 5: Solve for x
    x = 281,178.74/592.54
  6. Step 6: Final answer
    x = 474.53

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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.