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Finding the Fourth Proportional to 332,129.08, 458,218.38 and 255,671.56

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Solution

The fourth proportional to 332,129.08, 458,218.38 and 255,671.56 is: 352,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,129.08 : 458,218.38 = 255,671.56 : x
  2. Step 2: Convert to fraction form
    332,129.08/458,218.38 = 255,671.56/x
  3. Step 3: Cross multiply
    332,129.08x = 458,218.38 × 255,671.56
  4. Step 4: Simplify right side
    332,129.08x = 117,153,408,035.27
  5. Step 5: Solve for x
    x = 117,153,408,035.27/332,129.08
  6. Step 6: Final answer
    x = 352,734.57

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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.