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Finding the Fourth Proportional to 447,893.01, 618,092.37 and 246,689.01

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Solution

The fourth proportional to 447,893.01, 618,092.37 and 246,689.01 is: 340,430.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,893.01 : 618,092.37 = 246,689.01 : x
  2. Step 2: Convert to fraction form
    447,893.01/618,092.37 = 246,689.01/x
  3. Step 3: Cross multiply
    447,893.01x = 618,092.37 × 246,689.01
  4. Step 4: Simplify right side
    447,893.01x = 152,476,594,843.85
  5. Step 5: Solve for x
    x = 152,476,594,843.85/447,893.01
  6. Step 6: Final answer
    x = 340,430.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.