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Finding the Fourth Proportional to 381,192.83, 571,785.99 and 96,884.20

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Solution

The fourth proportional to 381,192.83, 571,785.99 and 96,884.20 is: 145,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,192.83 : 571,785.99 = 96,884.20 : x
  2. Step 2: Convert to fraction form
    381,192.83/571,785.99 = 96,884.20/x
  3. Step 3: Cross multiply
    381,192.83x = 571,785.99 × 96,884.20
  4. Step 4: Simplify right side
    381,192.83x = 55,397,028,563.77
  5. Step 5: Solve for x
    x = 55,397,028,563.77/381,192.83
  6. Step 6: Final answer
    x = 145,325.47

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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.