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Finding the Fourth Proportional to 516.67, 712.63 and 337.26

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Solution

The fourth proportional to 516.67, 712.63 and 337.26 is: 465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.67 : 712.63 = 337.26 : x
  2. Step 2: Convert to fraction form
    516.67/712.63 = 337.26/x
  3. Step 3: Cross multiply
    516.67x = 712.63 × 337.26
  4. Step 4: Simplify right side
    516.67x = 240,341.59
  5. Step 5: Solve for x
    x = 240,341.59/516.67
  6. Step 6: Final answer
    x = 465.17

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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.