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Finding the Fourth Proportional to 571,067.19, 856,601.85 and 234,047.57

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Solution

The fourth proportional to 571,067.19, 856,601.85 and 234,047.57 is: 351,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,067.19 : 856,601.85 = 234,047.57 : x
  2. Step 2: Convert to fraction form
    571,067.19/856,601.85 = 234,047.57/x
  3. Step 3: Cross multiply
    571,067.19x = 856,601.85 × 234,047.57
  4. Step 4: Simplify right side
    571,067.19x = 200,485,577,167.00
  5. Step 5: Solve for x
    x = 200,485,577,167.00/571,067.19
  6. Step 6: Final answer
    x = 351,071.78

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Similar ratio
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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.