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Finding the Fourth Proportional to 594.22, 891.12 and 228.80

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Solution

The fourth proportional to 594.22, 891.12 and 228.80 is: 343.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.22 : 891.12 = 228.80 : x
  2. Step 2: Convert to fraction form
    594.22/891.12 = 228.80/x
  3. Step 3: Cross multiply
    594.22x = 891.12 × 228.80
  4. Step 4: Simplify right side
    594.22x = 203,888.26
  5. Step 5: Solve for x
    x = 203,888.26/594.22
  6. Step 6: Final answer
    x = 343.12

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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.