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Finding the Fourth Proportional to 332,801.73, 499,054.64 and 206,436.87

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Solution

The fourth proportional to 332,801.73, 499,054.64 and 206,436.87 is: 309,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,801.73 : 499,054.64 = 206,436.87 : x
  2. Step 2: Convert to fraction form
    332,801.73/499,054.64 = 206,436.87/x
  3. Step 3: Cross multiply
    332,801.73x = 499,054.64 × 206,436.87
  4. Step 4: Simplify right side
    332,801.73x = 103,023,276,808.39
  5. Step 5: Solve for x
    x = 103,023,276,808.39/332,801.73
  6. Step 6: Final answer
    x = 309,563.53

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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.