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Finding the Fourth Proportional to 463,701.48, 639,914.70 and 270,104.25

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Solution

The fourth proportional to 463,701.48, 639,914.70 and 270,104.25 is: 372,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,701.48 : 639,914.70 = 270,104.25 : x
  2. Step 2: Convert to fraction form
    463,701.48/639,914.70 = 270,104.25/x
  3. Step 3: Cross multiply
    463,701.48x = 639,914.70 × 270,104.25
  4. Step 4: Simplify right side
    463,701.48x = 172,843,680,107.48
  5. Step 5: Solve for x
    x = 172,843,680,107.48/463,701.48
  6. Step 6: Final answer
    x = 372,747.74

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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.