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Finding the Fourth Proportional to 594.18, 890.73 and 228.72

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Solution

The fourth proportional to 594.18, 890.73 and 228.72 is: 342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.18 : 890.73 = 228.72 : x
  2. Step 2: Convert to fraction form
    594.18/890.73 = 228.72/x
  3. Step 3: Cross multiply
    594.18x = 890.73 × 228.72
  4. Step 4: Simplify right side
    594.18x = 203,727.77
  5. Step 5: Solve for x
    x = 203,727.77/594.18
  6. Step 6: Final answer
    x = 342.87

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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.