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Finding the Fourth Proportional to 363,604.77, 545,405.66 and 110,884.51

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Solution

The fourth proportional to 363,604.77, 545,405.66 and 110,884.51 is: 166,326.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,604.77 : 545,405.66 = 110,884.51 : x
  2. Step 2: Convert to fraction form
    363,604.77/545,405.66 = 110,884.51/x
  3. Step 3: Cross multiply
    363,604.77x = 545,405.66 × 110,884.51
  4. Step 4: Simplify right side
    363,604.77x = 60,477,041,749.29
  5. Step 5: Solve for x
    x = 60,477,041,749.29/363,604.77
  6. Step 6: Final answer
    x = 166,326.32

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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.