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Finding the Fourth Proportional to 363,245.78, 544,863.15 and 163,425.03

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Solution

The fourth proportional to 363,245.78, 544,863.15 and 163,425.03 is: 245,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,245.78 : 544,863.15 = 163,425.03 : x
  2. Step 2: Convert to fraction form
    363,245.78/544,863.15 = 163,425.03/x
  3. Step 3: Cross multiply
    363,245.78x = 544,863.15 × 163,425.03
  4. Step 4: Simplify right side
    363,245.78x = 89,044,276,634.64
  5. Step 5: Solve for x
    x = 89,044,276,634.64/363,245.78
  6. Step 6: Final answer
    x = 245,135.06

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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.