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Finding the Fourth Proportional to 274,366.78, 411,249.12 and 141,254.14

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Solution

The fourth proportional to 274,366.78, 411,249.12 and 141,254.14 is: 211,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,366.78 : 411,249.12 = 141,254.14 : x
  2. Step 2: Convert to fraction form
    274,366.78/411,249.12 = 141,254.14/x
  3. Step 3: Cross multiply
    274,366.78x = 411,249.12 × 141,254.14
  4. Step 4: Simplify right side
    274,366.78x = 58,090,640,771.36
  5. Step 5: Solve for x
    x = 58,090,640,771.36/274,366.78
  6. Step 6: Final answer
    x = 211,726.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.