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Finding the Fourth Proportional to 333.89, 500.79 and 117.46

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Solution

The fourth proportional to 333.89, 500.79 and 117.46 is: 176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.89 : 500.79 = 117.46 : x
  2. Step 2: Convert to fraction form
    333.89/500.79 = 117.46/x
  3. Step 3: Cross multiply
    333.89x = 500.79 × 117.46
  4. Step 4: Simplify right side
    333.89x = 58,820.29
  5. Step 5: Solve for x
    x = 58,820.29/333.89
  6. Step 6: Final answer
    x = 176.17

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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.