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Finding the Fourth Proportional to 516.24, 712.44 and 341.46

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Solution

The fourth proportional to 516.24, 712.44 and 341.46 is: 471.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.24 : 712.44 = 341.46 : x
  2. Step 2: Convert to fraction form
    516.24/712.44 = 341.46/x
  3. Step 3: Cross multiply
    516.24x = 712.44 × 341.46
  4. Step 4: Simplify right side
    516.24x = 243,269.76
  5. Step 5: Solve for x
    x = 243,269.76/516.24
  6. Step 6: Final answer
    x = 471.23

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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.