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Finding the Fourth Proportional to 363,605.91, 545,407.37 and 110,885.66

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Solution

The fourth proportional to 363,605.91, 545,407.37 and 110,885.66 is: 166,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,605.91 : 545,407.37 = 110,885.66 : x
  2. Step 2: Convert to fraction form
    363,605.91/545,407.37 = 110,885.66/x
  3. Step 3: Cross multiply
    363,605.91x = 545,407.37 × 110,885.66
  4. Step 4: Simplify right side
    363,605.91x = 60,477,853,464.28
  5. Step 5: Solve for x
    x = 60,477,853,464.28/363,605.91
  6. Step 6: Final answer
    x = 166,328.03

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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.