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Finding the Fourth Proportional to 486,593.66, 729,910.77 and 166,965.28

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Solution

The fourth proportional to 486,593.66, 729,910.77 and 166,965.28 is: 250,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,593.66 : 729,910.77 = 166,965.28 : x
  2. Step 2: Convert to fraction form
    486,593.66/729,910.77 = 166,965.28/x
  3. Step 3: Cross multiply
    486,593.66x = 729,910.77 × 166,965.28
  4. Step 4: Simplify right side
    486,593.66x = 121,869,756,088.07
  5. Step 5: Solve for x
    x = 121,869,756,088.07/486,593.66
  6. Step 6: Final answer
    x = 250,454.88

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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.