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Finding the Fourth Proportional to 357,105.75, 535,808.84 and 222,282.56

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Solution

The fourth proportional to 357,105.75, 535,808.84 and 222,282.56 is: 333,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,105.75 : 535,808.84 = 222,282.56 : x
  2. Step 2: Convert to fraction form
    357,105.75/535,808.84 = 222,282.56/x
  3. Step 3: Cross multiply
    357,105.75x = 535,808.84 × 222,282.56
  4. Step 4: Simplify right side
    357,105.75x = 119,100,956,835.37
  5. Step 5: Solve for x
    x = 119,100,956,835.37/357,105.75
  6. Step 6: Final answer
    x = 333,517.33

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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.