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Finding the Fourth Proportional to 463,195.08, 639,063.56 and 259,213.59

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Solution

The fourth proportional to 463,195.08, 639,063.56 and 259,213.59 is: 357,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,195.08 : 639,063.56 = 259,213.59 : x
  2. Step 2: Convert to fraction form
    463,195.08/639,063.56 = 259,213.59/x
  3. Step 3: Cross multiply
    463,195.08x = 639,063.56 × 259,213.59
  4. Step 4: Simplify right side
    463,195.08x = 165,653,958,329.71
  5. Step 5: Solve for x
    x = 165,653,958,329.71/463,195.08
  6. Step 6: Final answer
    x = 357,633.24

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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.