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Finding the Fourth Proportional to 594.21, 891.43 and 269.58

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Solution

The fourth proportional to 594.21, 891.43 and 269.58 is: 404.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.21 : 891.43 = 269.58 : x
  2. Step 2: Convert to fraction form
    594.21/891.43 = 269.58/x
  3. Step 3: Cross multiply
    594.21x = 891.43 × 269.58
  4. Step 4: Simplify right side
    594.21x = 240,310.11
  5. Step 5: Solve for x
    x = 240,310.11/594.21
  6. Step 6: Final answer
    x = 404.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.