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Finding the Fourth Proportional to 306,747.39, 460,127.47 and 82,107.56

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Solution

The fourth proportional to 306,747.39, 460,127.47 and 82,107.56 is: 123,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,747.39 : 460,127.47 = 82,107.56 : x
  2. Step 2: Convert to fraction form
    306,747.39/460,127.47 = 82,107.56/x
  3. Step 3: Cross multiply
    306,747.39x = 460,127.47 × 82,107.56
  4. Step 4: Simplify right side
    306,747.39x = 37,779,944,949.67
  5. Step 5: Solve for x
    x = 37,779,944,949.67/306,747.39
  6. Step 6: Final answer
    x = 123,163.05

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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.