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Finding the Fourth Proportional to 370,809.38, 555,884.19 and 134,099.43

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Solution

The fourth proportional to 370,809.38, 555,884.19 and 134,099.43 is: 201,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,809.38 : 555,884.19 = 134,099.43 : x
  2. Step 2: Convert to fraction form
    370,809.38/555,884.19 = 134,099.43/x
  3. Step 3: Cross multiply
    370,809.38x = 555,884.19 × 134,099.43
  4. Step 4: Simplify right side
    370,809.38x = 74,543,753,025.01
  5. Step 5: Solve for x
    x = 74,543,753,025.01/370,809.38
  6. Step 6: Final answer
    x = 201,029.85

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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.