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Finding the Fourth Proportional to 322,416,169.20, 483,624,253.80 and 80,079,073.20

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Solution

The fourth proportional to 322,416,169.20, 483,624,253.80 and 80,079,073.20 is: 120,118,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,416,169.20 : 483,624,253.80 = 80,079,073.20 : x
  2. Step 2: Convert to fraction form
    322,416,169.20/483,624,253.80 = 80,079,073.20/x
  3. Step 3: Cross multiply
    322,416,169.20x = 483,624,253.80 × 80,079,073.20
  4. Step 4: Simplify right side
    322,416,169.20x = 38,728,182,021,345,584
  5. Step 5: Solve for x
    x = 38,728,182,021,345,584/322,416,169.20
  6. Step 6: Final answer
    x = 120,118,609.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.