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Finding the Fourth Proportional to 339,385.64, 468,324.87 and 196,154.96

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Solution

The fourth proportional to 339,385.64, 468,324.87 and 196,154.96 is: 270,678.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,385.64 : 468,324.87 = 196,154.96 : x
  2. Step 2: Convert to fraction form
    339,385.64/468,324.87 = 196,154.96/x
  3. Step 3: Cross multiply
    339,385.64x = 468,324.87 × 196,154.96
  4. Step 4: Simplify right side
    339,385.64x = 91,864,246,141.86
  5. Step 5: Solve for x
    x = 91,864,246,141.86/339,385.64
  6. Step 6: Final answer
    x = 270,678.06

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1.5x scale

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.