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Finding the Fourth Proportional to 594.24, 818.91 and 511.31

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Solution

The fourth proportional to 594.24, 818.91 and 511.31 is: 704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.24 : 818.91 = 511.31 : x
  2. Step 2: Convert to fraction form
    594.24/818.91 = 511.31/x
  3. Step 3: Cross multiply
    594.24x = 818.91 × 511.31
  4. Step 4: Simplify right side
    594.24x = 418,718.92
  5. Step 5: Solve for x
    x = 418,718.92/594.24
  6. Step 6: Final answer
    x = 704.63

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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.