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Finding the Fourth Proportional to 307,507.08, 461,226.33 and 82,889.90

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Solution

The fourth proportional to 307,507.08, 461,226.33 and 82,889.90 is: 124,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,507.08 : 461,226.33 = 82,889.90 : x
  2. Step 2: Convert to fraction form
    307,507.08/461,226.33 = 82,889.90/x
  3. Step 3: Cross multiply
    307,507.08x = 461,226.33 × 82,889.90
  4. Step 4: Simplify right side
    307,507.08x = 38,231,002,064.94
  5. Step 5: Solve for x
    x = 38,231,002,064.94/307,507.08
  6. Step 6: Final answer
    x = 124,325.60

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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.