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Finding the Fourth Proportional to 373, 558.22 and 351.96

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Solution

The fourth proportional to 373, 558.22 and 351.96 is: 526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    373 : 558.22 = 351.96 : x
  2. Step 2: Convert to fraction form
    373/558.22 = 351.96/x
  3. Step 3: Cross multiply
    373x = 558.22 × 351.96
  4. Step 4: Simplify right side
    373x = 196,471.11
  5. Step 5: Solve for x
    x = 196,471.11/373
  6. Step 6: Final answer
    x = 526.73

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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.