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Finding the Fourth Proportional to 366,695.21, 550,200.83 and 198,334.08

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Solution

The fourth proportional to 366,695.21, 550,200.83 and 198,334.08 is: 297,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,695.21 : 550,200.83 = 198,334.08 : x
  2. Step 2: Convert to fraction form
    366,695.21/550,200.83 = 198,334.08/x
  3. Step 3: Cross multiply
    366,695.21x = 550,200.83 × 198,334.08
  4. Step 4: Simplify right side
    366,695.21x = 109,123,574,441.62
  5. Step 5: Solve for x
    x = 109,123,574,441.62/366,695.21
  6. Step 6: Final answer
    x = 297,586.59

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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.