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Finding the Fourth Proportional to 594.04, 819.80 and 361

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Solution

The fourth proportional to 594.04, 819.80 and 361 is: 498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.04 : 819.80 = 361 : x
  2. Step 2: Convert to fraction form
    594.04/819.80 = 361/x
  3. Step 3: Cross multiply
    594.04x = 819.80 × 361
  4. Step 4: Simplify right side
    594.04x = 295,947.80
  5. Step 5: Solve for x
    x = 295,947.80/594.04
  6. Step 6: Final answer
    x = 498.20

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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.