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Finding the Fourth Proportional to 463,589.35, 639,680.22 and 270,028.91

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Solution

The fourth proportional to 463,589.35, 639,680.22 and 270,028.91 is: 372,597.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,589.35 : 639,680.22 = 270,028.91 : x
  2. Step 2: Convert to fraction form
    463,589.35/639,680.22 = 270,028.91/x
  3. Step 3: Cross multiply
    463,589.35x = 639,680.22 × 270,028.91
  4. Step 4: Simplify right side
    463,589.35x = 172,732,154,154.36
  5. Step 5: Solve for x
    x = 172,732,154,154.36/463,589.35
  6. Step 6: Final answer
    x = 372,597.33

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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.