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Finding the Fourth Proportional to 463,082.22, 639,087.78 and 259,153.56

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Solution

The fourth proportional to 463,082.22, 639,087.78 and 259,153.56 is: 357,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,082.22 : 639,087.78 = 259,153.56 : x
  2. Step 2: Convert to fraction form
    463,082.22/639,087.78 = 259,153.56/x
  3. Step 3: Cross multiply
    463,082.22x = 639,087.78 × 259,153.56
  4. Step 4: Simplify right side
    463,082.22x = 165,621,873,339.50
  5. Step 5: Solve for x
    x = 165,621,873,339.50/463,082.22
  6. Step 6: Final answer
    x = 357,651.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.