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Finding the Fourth Proportional to 594.45, 891.42 and 228.98

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Solution

The fourth proportional to 594.45, 891.42 and 228.98 is: 343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.45 : 891.42 = 228.98 : x
  2. Step 2: Convert to fraction form
    594.45/891.42 = 228.98/x
  3. Step 3: Cross multiply
    594.45x = 891.42 × 228.98
  4. Step 4: Simplify right side
    594.45x = 204,116.21
  5. Step 5: Solve for x
    x = 204,116.21/594.45
  6. Step 6: Final answer
    x = 343.37

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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.