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Finding the Fourth Proportional to 416,262.82, 624,394.26 and 100,719.73

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Solution

The fourth proportional to 416,262.82, 624,394.26 and 100,719.73 is: 151,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,262.82 : 624,394.26 = 100,719.73 : x
  2. Step 2: Convert to fraction form
    416,262.82/624,394.26 = 100,719.73/x
  3. Step 3: Cross multiply
    416,262.82x = 624,394.26 × 100,719.73
  4. Step 4: Simplify right side
    416,262.82x = 62,888,821,280.75
  5. Step 5: Solve for x
    x = 62,888,821,280.75/416,262.82
  6. Step 6: Final answer
    x = 151,079.60

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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.