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Finding the Fourth Proportional to 273,197,355.60, 409,654,315.80 and 100,585,318.80

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Solution

The fourth proportional to 273,197,355.60, 409,654,315.80 and 100,585,318.80 is: 150,825,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,197,355.60 : 409,654,315.80 = 100,585,318.80 : x
  2. Step 2: Convert to fraction form
    273,197,355.60/409,654,315.80 = 100,585,318.80/x
  3. Step 3: Cross multiply
    273,197,355.60x = 409,654,315.80 × 100,585,318.80
  4. Step 4: Simplify right side
    273,197,355.60x = 41,205,209,952,538,880
  5. Step 5: Solve for x
    x = 41,205,209,952,538,880/273,197,355.60
  6. Step 6: Final answer
    x = 150,825,800.86

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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.