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Finding the Fourth Proportional to 333.33, 499.90 and 116.86

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Solution

The fourth proportional to 333.33, 499.90 and 116.86 is: 175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.33 : 499.90 = 116.86 : x
  2. Step 2: Convert to fraction form
    333.33/499.90 = 116.86/x
  3. Step 3: Cross multiply
    333.33x = 499.90 × 116.86
  4. Step 4: Simplify right side
    333.33x = 58,417.60
  5. Step 5: Solve for x
    x = 58,417.60/333.33
  6. Step 6: Final answer
    x = 175.25

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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.