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Finding the Fourth Proportional to 493.33, 740.07 and 168.66

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Solution

The fourth proportional to 493.33, 740.07 and 168.66 is: 253.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.33 : 740.07 = 168.66 : x
  2. Step 2: Convert to fraction form
    493.33/740.07 = 168.66/x
  3. Step 3: Cross multiply
    493.33x = 740.07 × 168.66
  4. Step 4: Simplify right side
    493.33x = 124,820.21
  5. Step 5: Solve for x
    x = 124,820.21/493.33
  6. Step 6: Final answer
    x = 253.02

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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.