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Finding the Fourth Proportional to 357,507.27, 493,372.62 and 196,377.21

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Solution

The fourth proportional to 357,507.27, 493,372.62 and 196,377.21 is: 271,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,507.27 : 493,372.62 = 196,377.21 : x
  2. Step 2: Convert to fraction form
    357,507.27/493,372.62 = 196,377.21/x
  3. Step 3: Cross multiply
    357,507.27x = 493,372.62 × 196,377.21
  4. Step 4: Simplify right side
    357,507.27x = 96,887,138,605.99
  5. Step 5: Solve for x
    x = 96,887,138,605.99/357,507.27
  6. Step 6: Final answer
    x = 271,007.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.