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Finding the Fourth Proportional to 574,861.42, 862,425.60 and 195,785.43

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Solution

The fourth proportional to 574,861.42, 862,425.60 and 195,785.43 is: 293,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,861.42 : 862,425.60 = 195,785.43 : x
  2. Step 2: Convert to fraction form
    574,861.42/862,425.60 = 195,785.43/x
  3. Step 3: Cross multiply
    574,861.42x = 862,425.60 × 195,785.43
  4. Step 4: Simplify right side
    574,861.42x = 168,850,366,939.01
  5. Step 5: Solve for x
    x = 168,850,366,939.01/574,861.42
  6. Step 6: Final answer
    x = 293,723.60

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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.