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Finding the Fourth Proportional to 437,676.85, 656,329.33 and 171,395.02

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Solution

The fourth proportional to 437,676.85, 656,329.33 and 171,395.02 is: 257,019.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,676.85 : 656,329.33 = 171,395.02 : x
  2. Step 2: Convert to fraction form
    437,676.85/656,329.33 = 171,395.02/x
  3. Step 3: Cross multiply
    437,676.85x = 656,329.33 × 171,395.02
  4. Step 4: Simplify right side
    437,676.85x = 112,491,579,676.59
  5. Step 5: Solve for x
    x = 112,491,579,676.59/437,676.85
  6. Step 6: Final answer
    x = 257,019.72

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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.