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Finding the Fourth Proportional to 381,093.53, 571,861.73 and 170,731.47

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Solution

The fourth proportional to 381,093.53, 571,861.73 and 170,731.47 is: 256,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,093.53 : 571,861.73 = 170,731.47 : x
  2. Step 2: Convert to fraction form
    381,093.53/571,861.73 = 170,731.47/x
  3. Step 3: Cross multiply
    381,093.53x = 571,861.73 × 170,731.47
  4. Step 4: Simplify right side
    381,093.53x = 97,634,791,441.75
  5. Step 5: Solve for x
    x = 97,634,791,441.75/381,093.53
  6. Step 6: Final answer
    x = 256,196.40

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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.