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Finding the Fourth Proportional to 338.16, 507.19 and 94.67

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Solution

The fourth proportional to 338.16, 507.19 and 94.67 is: 141.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.16 : 507.19 = 94.67 : x
  2. Step 2: Convert to fraction form
    338.16/507.19 = 94.67/x
  3. Step 3: Cross multiply
    338.16x = 507.19 × 94.67
  4. Step 4: Simplify right side
    338.16x = 48,015.68
  5. Step 5: Solve for x
    x = 48,015.68/338.16
  6. Step 6: Final answer
    x = 141.99

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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.