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Finding the Fourth Proportional to 337,238.28, 505,912.32 and 157,503.42

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Solution

The fourth proportional to 337,238.28, 505,912.32 and 157,503.42 is: 236,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,238.28 : 505,912.32 = 157,503.42 : x
  2. Step 2: Convert to fraction form
    337,238.28/505,912.32 = 157,503.42/x
  3. Step 3: Cross multiply
    337,238.28x = 505,912.32 × 157,503.42
  4. Step 4: Simplify right side
    337,238.28x = 79,682,920,620.13
  5. Step 5: Solve for x
    x = 79,682,920,620.13/337,238.28
  6. Step 6: Final answer
    x = 236,280.77

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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.