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Finding the Fourth Proportional to 263,502.62, 363,619.83 and 154,591.82

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Solution

The fourth proportional to 263,502.62, 363,619.83 and 154,591.82 is: 213,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,502.62 : 363,619.83 = 154,591.82 : x
  2. Step 2: Convert to fraction form
    263,502.62/363,619.83 = 154,591.82/x
  3. Step 3: Cross multiply
    263,502.62x = 363,619.83 × 154,591.82
  4. Step 4: Simplify right side
    263,502.62x = 56,212,650,410.30
  5. Step 5: Solve for x
    x = 56,212,650,410.30/263,502.62
  6. Step 6: Final answer
    x = 213,328.62

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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.