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Finding the Fourth Proportional to 336,760.68, 505,218.78 and 100,098.12

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Solution

The fourth proportional to 336,760.68, 505,218.78 and 100,098.12 is: 150,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,760.68 : 505,218.78 = 100,098.12 : x
  2. Step 2: Convert to fraction form
    336,760.68/505,218.78 = 100,098.12/x
  3. Step 3: Cross multiply
    336,760.68x = 505,218.78 × 100,098.12
  4. Step 4: Simplify right side
    336,760.68x = 50,571,450,066.69
  5. Step 5: Solve for x
    x = 50,571,450,066.69/336,760.68
  6. Step 6: Final answer
    x = 150,170.29

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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.