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Finding the Fourth Proportional to 363,579.64, 545,447.61 and 181,309.77

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Solution

The fourth proportional to 363,579.64, 545,447.61 and 181,309.77 is: 272,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,579.64 : 545,447.61 = 181,309.77 : x
  2. Step 2: Convert to fraction form
    363,579.64/545,447.61 = 181,309.77/x
  3. Step 3: Cross multiply
    363,579.64x = 545,447.61 × 181,309.77
  4. Step 4: Simplify right side
    363,579.64x = 98,894,980,716.15
  5. Step 5: Solve for x
    x = 98,894,980,716.15/363,579.64
  6. Step 6: Final answer
    x = 272,003.63

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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.