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Finding the Fourth Proportional to 337,078.44, 505,619.01 and 84,358.23

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Solution

The fourth proportional to 337,078.44, 505,619.01 and 84,358.23 is: 126,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,078.44 : 505,619.01 = 84,358.23 : x
  2. Step 2: Convert to fraction form
    337,078.44/505,619.01 = 84,358.23/x
  3. Step 3: Cross multiply
    337,078.44x = 505,619.01 × 84,358.23
  4. Step 4: Simplify right side
    337,078.44x = 42,653,124,737.95
  5. Step 5: Solve for x
    x = 42,653,124,737.95/337,078.44
  6. Step 6: Final answer
    x = 126,537.68

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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.