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Finding the Fourth Proportional to 492.27, 737.22 and 346.17

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Solution

The fourth proportional to 492.27, 737.22 and 346.17 is: 518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.27 : 737.22 = 346.17 : x
  2. Step 2: Convert to fraction form
    492.27/737.22 = 346.17/x
  3. Step 3: Cross multiply
    492.27x = 737.22 × 346.17
  4. Step 4: Simplify right side
    492.27x = 255,199.76
  5. Step 5: Solve for x
    x = 255,199.76/492.27
  6. Step 6: Final answer
    x = 518.42

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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.