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Finding the Fourth Proportional to 350,854.42, 484,179.44 and 189,709.43

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Solution

The fourth proportional to 350,854.42, 484,179.44 and 189,709.43 is: 261,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,854.42 : 484,179.44 = 189,709.43 : x
  2. Step 2: Convert to fraction form
    350,854.42/484,179.44 = 189,709.43/x
  3. Step 3: Cross multiply
    350,854.42x = 484,179.44 × 189,709.43
  4. Step 4: Simplify right side
    350,854.42x = 91,853,403,633.50
  5. Step 5: Solve for x
    x = 91,853,403,633.50/350,854.42
  6. Step 6: Final answer
    x = 261,799.19

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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.