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Finding the Fourth Proportional to 363,325.50, 545,099.22 and 185,958.18

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Solution

The fourth proportional to 363,325.50, 545,099.22 and 185,958.18 is: 278,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,325.50 : 545,099.22 = 185,958.18 : x
  2. Step 2: Convert to fraction form
    363,325.50/545,099.22 = 185,958.18/x
  3. Step 3: Cross multiply
    363,325.50x = 545,099.22 × 185,958.18
  4. Step 4: Simplify right side
    363,325.50x = 101,365,658,870.62
  5. Step 5: Solve for x
    x = 101,365,658,870.62/363,325.50
  6. Step 6: Final answer
    x = 278,994.07

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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.