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Finding the Fourth Proportional to 337,718.86, 505,912.59 and 274,610.23

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Solution

The fourth proportional to 337,718.86, 505,912.59 and 274,610.23 is: 411,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,718.86 : 505,912.59 = 274,610.23 : x
  2. Step 2: Convert to fraction form
    337,718.86/505,912.59 = 274,610.23/x
  3. Step 3: Cross multiply
    337,718.86x = 505,912.59 × 274,610.23
  4. Step 4: Simplify right side
    337,718.86x = 138,928,771,435.01
  5. Step 5: Solve for x
    x = 138,928,771,435.01/337,718.86
  6. Step 6: Final answer
    x = 411,374.04

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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.