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Finding the Fourth Proportional to 352,363.81, 486,262.37 and 191,218.86

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Solution

The fourth proportional to 352,363.81, 486,262.37 and 191,218.86 is: 263,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,363.81 : 486,262.37 = 191,218.86 : x
  2. Step 2: Convert to fraction form
    352,363.81/486,262.37 = 191,218.86/x
  3. Step 3: Cross multiply
    352,363.81x = 486,262.37 × 191,218.86
  4. Step 4: Simplify right side
    352,363.81x = 92,982,536,052.30
  5. Step 5: Solve for x
    x = 92,982,536,052.30/352,363.81
  6. Step 6: Final answer
    x = 263,882.20

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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.