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Finding the Fourth Proportional to 377,745.48, 521,227.98 and 216,568.44

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Solution

The fourth proportional to 377,745.48, 521,227.98 and 216,568.44 is: 298,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,745.48 : 521,227.98 = 216,568.44 : x
  2. Step 2: Convert to fraction form
    377,745.48/521,227.98 = 216,568.44/x
  3. Step 3: Cross multiply
    377,745.48x = 521,227.98 × 216,568.44
  4. Step 4: Simplify right side
    377,745.48x = 112,881,530,512.95
  5. Step 5: Solve for x
    x = 112,881,530,512.95/377,745.48
  6. Step 6: Final answer
    x = 298,829.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.