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Finding the Fourth Proportional to 592.26, 816.20 and 513.34

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Solution

The fourth proportional to 592.26, 816.20 and 513.34 is: 707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.26 : 816.20 = 513.34 : x
  2. Step 2: Convert to fraction form
    592.26/816.20 = 513.34/x
  3. Step 3: Cross multiply
    592.26x = 816.20 × 513.34
  4. Step 4: Simplify right side
    592.26x = 418,988.11
  5. Step 5: Solve for x
    x = 418,988.11/592.26
  6. Step 6: Final answer
    x = 707.44

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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.