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Finding the Fourth Proportional to 594.39, 821.07 and 516.74

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Solution

The fourth proportional to 594.39, 821.07 and 516.74 is: 713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.39 : 821.07 = 516.74 : x
  2. Step 2: Convert to fraction form
    594.39/821.07 = 516.74/x
  3. Step 3: Cross multiply
    594.39x = 821.07 × 516.74
  4. Step 4: Simplify right side
    594.39x = 424,281.76
  5. Step 5: Solve for x
    x = 424,281.76/594.39
  6. Step 6: Final answer
    x = 713.81

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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.