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Finding the Fourth Proportional to 333.72, 500.72 and 117.32

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Solution

The fourth proportional to 333.72, 500.72 and 117.32 is: 176.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.72 : 500.72 = 117.32 : x
  2. Step 2: Convert to fraction form
    333.72/500.72 = 117.32/x
  3. Step 3: Cross multiply
    333.72x = 500.72 × 117.32
  4. Step 4: Simplify right side
    333.72x = 58,741.38
  5. Step 5: Solve for x
    x = 58,741.38/333.72
  6. Step 6: Final answer
    x = 176.02

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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.