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Finding the Fourth Proportional to 463,074.09, 639,020.52 and 259,150.92

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Solution

The fourth proportional to 463,074.09, 639,020.52 and 259,150.92 is: 357,616.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,074.09 : 639,020.52 = 259,150.92 : x
  2. Step 2: Convert to fraction form
    463,074.09/639,020.52 = 259,150.92/x
  3. Step 3: Cross multiply
    463,074.09x = 639,020.52 × 259,150.92
  4. Step 4: Simplify right side
    463,074.09x = 165,602,755,656.88
  5. Step 5: Solve for x
    x = 165,602,755,656.88/463,074.09
  6. Step 6: Final answer
    x = 357,616.11

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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.