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Finding the Fourth Proportional to 352,299.50, 486,171.68 and 191,154.15

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Solution

The fourth proportional to 352,299.50, 486,171.68 and 191,154.15 is: 263,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,299.50 : 486,171.68 = 191,154.15 : x
  2. Step 2: Convert to fraction form
    352,299.50/486,171.68 = 191,154.15/x
  3. Step 3: Cross multiply
    352,299.50x = 486,171.68 × 191,154.15
  4. Step 4: Simplify right side
    352,299.50x = 92,933,734,244.47
  5. Step 5: Solve for x
    x = 92,933,734,244.47/352,299.50
  6. Step 6: Final answer
    x = 263,791.84

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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.