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Finding the Fourth Proportional to 529.34, 793.98 and 516.11

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Solution

The fourth proportional to 529.34, 793.98 and 516.11 is: 774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.34 : 793.98 = 516.11 : x
  2. Step 2: Convert to fraction form
    529.34/793.98 = 516.11/x
  3. Step 3: Cross multiply
    529.34x = 793.98 × 516.11
  4. Step 4: Simplify right side
    529.34x = 409,777.05
  5. Step 5: Solve for x
    x = 409,777.05/529.34
  6. Step 6: Final answer
    x = 774.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.