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Finding the Fourth Proportional to 538,217.87, 807,644.67 and 196,630.93

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Solution

The fourth proportional to 538,217.87, 807,644.67 and 196,630.93 is: 295,062.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,217.87 : 807,644.67 = 196,630.93 : x
  2. Step 2: Convert to fraction form
    538,217.87/807,644.67 = 196,630.93/x
  3. Step 3: Cross multiply
    538,217.87x = 807,644.67 × 196,630.93
  4. Step 4: Simplify right side
    538,217.87x = 158,807,919,025.00
  5. Step 5: Solve for x
    x = 158,807,919,025.00/538,217.87
  6. Step 6: Final answer
    x = 295,062.52

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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.