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Finding the Fourth Proportional to 339,161.13, 468,018.95 and 188,246.25

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Solution

The fourth proportional to 339,161.13, 468,018.95 and 188,246.25 is: 259,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,161.13 : 468,018.95 = 188,246.25 : x
  2. Step 2: Convert to fraction form
    339,161.13/468,018.95 = 188,246.25/x
  3. Step 3: Cross multiply
    339,161.13x = 468,018.95 × 188,246.25
  4. Step 4: Simplify right side
    339,161.13x = 88,102,811,325.21
  5. Step 5: Solve for x
    x = 88,102,811,325.21/339,161.13
  6. Step 6: Final answer
    x = 259,766.83

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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.