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Finding the Fourth Proportional to 284,768.22, 393,058.11 and 177,274.38

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Solution

The fourth proportional to 284,768.22, 393,058.11 and 177,274.38 is: 244,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,768.22 : 393,058.11 = 177,274.38 : x
  2. Step 2: Convert to fraction form
    284,768.22/393,058.11 = 177,274.38/x
  3. Step 3: Cross multiply
    284,768.22x = 393,058.11 × 177,274.38
  4. Step 4: Simplify right side
    284,768.22x = 69,679,132,754.22
  5. Step 5: Solve for x
    x = 69,679,132,754.22/284,768.22
  6. Step 6: Final answer
    x = 244,687.18

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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.