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Finding the Fourth Proportional to 594.45, 891.41 and 228.99

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Solution

The fourth proportional to 594.45, 891.41 and 228.99 is: 343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.45 : 891.41 = 228.99 : x
  2. Step 2: Convert to fraction form
    594.45/891.41 = 228.99/x
  3. Step 3: Cross multiply
    594.45x = 891.41 × 228.99
  4. Step 4: Simplify right side
    594.45x = 204,122.83
  5. Step 5: Solve for x
    x = 204,122.83/594.45
  6. Step 6: Final answer
    x = 343.38

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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.