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Finding the Fourth Proportional to 270,755.69, 373,640.29 and 155,992.18

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Solution

The fourth proportional to 270,755.69, 373,640.29 and 155,992.18 is: 215,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,755.69 : 373,640.29 = 155,992.18 : x
  2. Step 2: Convert to fraction form
    270,755.69/373,640.29 = 155,992.18/x
  3. Step 3: Cross multiply
    270,755.69x = 373,640.29 × 155,992.18
  4. Step 4: Simplify right side
    270,755.69x = 58,284,963,626.88
  5. Step 5: Solve for x
    x = 58,284,963,626.88/270,755.69
  6. Step 6: Final answer
    x = 215,267.73

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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.