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Finding the Fourth Proportional to 416,673.30, 625,241.60 and 203,443.82

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Solution

The fourth proportional to 416,673.30, 625,241.60 and 203,443.82 is: 305,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,673.30 : 625,241.60 = 203,443.82 : x
  2. Step 2: Convert to fraction form
    416,673.30/625,241.60 = 203,443.82/x
  3. Step 3: Cross multiply
    416,673.30x = 625,241.60 × 203,443.82
  4. Step 4: Simplify right side
    416,673.30x = 127,201,539,526.91
  5. Step 5: Solve for x
    x = 127,201,539,526.91/416,673.30
  6. Step 6: Final answer
    x = 305,278.83

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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.