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Finding the Fourth Proportional to 594.20, 819.62 and 372.76

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Solution

The fourth proportional to 594.20, 819.62 and 372.76 is: 514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.20 : 819.62 = 372.76 : x
  2. Step 2: Convert to fraction form
    594.20/819.62 = 372.76/x
  3. Step 3: Cross multiply
    594.20x = 819.62 × 372.76
  4. Step 4: Simplify right side
    594.20x = 305,525.74
  5. Step 5: Solve for x
    x = 305,525.74/594.20
  6. Step 6: Final answer
    x = 514.18

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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.