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Finding the Fourth Proportional to 364,990.20, 547,763.22 and 294,086.04

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Solution

The fourth proportional to 364,990.20, 547,763.22 and 294,086.04 is: 441,352.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,990.20 : 547,763.22 = 294,086.04 : x
  2. Step 2: Convert to fraction form
    364,990.20/547,763.22 = 294,086.04/x
  3. Step 3: Cross multiply
    364,990.20x = 547,763.22 × 294,086.04
  4. Step 4: Simplify right side
    364,990.20x = 161,089,516,227.45
  5. Step 5: Solve for x
    x = 161,089,516,227.45/364,990.20
  6. Step 6: Final answer
    x = 441,352.99

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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.