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Finding the Fourth Proportional to 339,671.22, 468,750.69 and 196,437.30

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Solution

The fourth proportional to 339,671.22, 468,750.69 and 196,437.30 is: 271,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,671.22 : 468,750.69 = 196,437.30 : x
  2. Step 2: Convert to fraction form
    339,671.22/468,750.69 = 196,437.30/x
  3. Step 3: Cross multiply
    339,671.22x = 468,750.69 × 196,437.30
  4. Step 4: Simplify right side
    339,671.22x = 92,080,119,916.74
  5. Step 5: Solve for x
    x = 92,080,119,916.74/339,671.22
  6. Step 6: Final answer
    x = 271,086.02

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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.