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Finding the Fourth Proportional to 381,769.36, 572,401.32 and 182,120.56

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Solution

The fourth proportional to 381,769.36, 572,401.32 and 182,120.56 is: 273,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,769.36 : 572,401.32 = 182,120.56 : x
  2. Step 2: Convert to fraction form
    381,769.36/572,401.32 = 182,120.56/x
  3. Step 3: Cross multiply
    381,769.36x = 572,401.32 × 182,120.56
  4. Step 4: Simplify right side
    381,769.36x = 104,246,048,943.14
  5. Step 5: Solve for x
    x = 104,246,048,943.14/381,769.36
  6. Step 6: Final answer
    x = 273,060.28

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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.