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Finding the Fourth Proportional to 606,803.11, 837,408.38 and 331,176.02

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Solution

The fourth proportional to 606,803.11, 837,408.38 and 331,176.02 is: 457,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,803.11 : 837,408.38 = 331,176.02 : x
  2. Step 2: Convert to fraction form
    606,803.11/837,408.38 = 331,176.02/x
  3. Step 3: Cross multiply
    606,803.11x = 837,408.38 × 331,176.02
  4. Step 4: Simplify right side
    606,803.11x = 277,329,568,560.13
  5. Step 5: Solve for x
    x = 277,329,568,560.13/606,803.11
  6. Step 6: Final answer
    x = 457,033.86

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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.