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Finding the Fourth Proportional to 592.56, 817.90 and 343.93

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Solution

The fourth proportional to 592.56, 817.90 and 343.93 is: 474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.56 : 817.90 = 343.93 : x
  2. Step 2: Convert to fraction form
    592.56/817.90 = 343.93/x
  3. Step 3: Cross multiply
    592.56x = 817.90 × 343.93
  4. Step 4: Simplify right side
    592.56x = 281,298.63
  5. Step 5: Solve for x
    x = 281,298.63/592.56
  6. Step 6: Final answer
    x = 474.72

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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.