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Finding the Fourth Proportional to 363,205.25, 544,446.37 and 173,443.78

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Solution

The fourth proportional to 363,205.25, 544,446.37 and 173,443.78 is: 259,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,205.25 : 544,446.37 = 173,443.78 : x
  2. Step 2: Convert to fraction form
    363,205.25/544,446.37 = 173,443.78/x
  3. Step 3: Cross multiply
    363,205.25x = 544,446.37 × 173,443.78
  4. Step 4: Simplify right side
    363,205.25x = 94,430,832,830.63
  5. Step 5: Solve for x
    x = 94,430,832,830.63/363,205.25
  6. Step 6: Final answer
    x = 259,993.03

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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.