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Finding the Fourth Proportional to 594.84, 820.74 and 361.92

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Solution

The fourth proportional to 594.84, 820.74 and 361.92 is: 499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.84 : 820.74 = 361.92 : x
  2. Step 2: Convert to fraction form
    594.84/820.74 = 361.92/x
  3. Step 3: Cross multiply
    594.84x = 820.74 × 361.92
  4. Step 4: Simplify right side
    594.84x = 297,042.22
  5. Step 5: Solve for x
    x = 297,042.22/594.84
  6. Step 6: Final answer
    x = 499.36

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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.