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Finding the Fourth Proportional to 562.64, 776.06 and 516.17

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Solution

The fourth proportional to 562.64, 776.06 and 516.17 is: 711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.64 : 776.06 = 516.17 : x
  2. Step 2: Convert to fraction form
    562.64/776.06 = 516.17/x
  3. Step 3: Cross multiply
    562.64x = 776.06 × 516.17
  4. Step 4: Simplify right side
    562.64x = 400,578.89
  5. Step 5: Solve for x
    x = 400,578.89/562.64
  6. Step 6: Final answer
    x = 711.96

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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.