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Finding the Fourth Proportional to 373.05, 558.72 and 336.96

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Solution

The fourth proportional to 373.05, 558.72 and 336.96 is: 504.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.05 : 558.72 = 336.96 : x
  2. Step 2: Convert to fraction form
    373.05/558.72 = 336.96/x
  3. Step 3: Cross multiply
    373.05x = 558.72 × 336.96
  4. Step 4: Simplify right side
    373.05x = 188,266.29
  5. Step 5: Solve for x
    x = 188,266.29/373.05
  6. Step 6: Final answer
    x = 504.67

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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.