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Finding the Fourth Proportional to 455,216.73, 682,912.98 and 174,712.11

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Solution

The fourth proportional to 455,216.73, 682,912.98 and 174,712.11 is: 262,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,216.73 : 682,912.98 = 174,712.11 : x
  2. Step 2: Convert to fraction form
    455,216.73/682,912.98 = 174,712.11/x
  3. Step 3: Cross multiply
    455,216.73x = 682,912.98 × 174,712.11
  4. Step 4: Simplify right side
    455,216.73x = 119,313,167,682.19
  5. Step 5: Solve for x
    x = 119,313,167,682.19/455,216.73
  6. Step 6: Final answer
    x = 262,101.90

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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.