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Finding the Fourth Proportional to 338.22, 507.44 and 176.02

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Solution

The fourth proportional to 338.22, 507.44 and 176.02 is: 264.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.22 : 507.44 = 176.02 : x
  2. Step 2: Convert to fraction form
    338.22/507.44 = 176.02/x
  3. Step 3: Cross multiply
    338.22x = 507.44 × 176.02
  4. Step 4: Simplify right side
    338.22x = 89,317.05
  5. Step 5: Solve for x
    x = 89,317.05/338.22
  6. Step 6: Final answer
    x = 264.08

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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.