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Finding the Fourth Proportional to 557,335.19, 835,998.32 and 331,198.02

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Solution

The fourth proportional to 557,335.19, 835,998.32 and 331,198.02 is: 496,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,335.19 : 835,998.32 = 331,198.02 : x
  2. Step 2: Convert to fraction form
    557,335.19/835,998.32 = 331,198.02/x
  3. Step 3: Cross multiply
    557,335.19x = 835,998.32 × 331,198.02
  4. Step 4: Simplify right side
    557,335.19x = 276,880,989,623.58
  5. Step 5: Solve for x
    x = 276,880,989,623.58/557,335.19
  6. Step 6: Final answer
    x = 496,794.38

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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.