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Finding the Fourth Proportional to 594.17, 890.90 and 228.66

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Solution

The fourth proportional to 594.17, 890.90 and 228.66 is: 342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.17 : 890.90 = 228.66 : x
  2. Step 2: Convert to fraction form
    594.17/890.90 = 228.66/x
  3. Step 3: Cross multiply
    594.17x = 890.90 × 228.66
  4. Step 4: Simplify right side
    594.17x = 203,709.57
  5. Step 5: Solve for x
    x = 203,709.57/594.17
  6. Step 6: Final answer
    x = 342.85

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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.