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Finding the Fourth Proportional to 363,249.78, 544,869.15 and 163,429.03

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Solution

The fourth proportional to 363,249.78, 544,869.15 and 163,429.03 is: 245,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,249.78 : 544,869.15 = 163,429.03 : x
  2. Step 2: Convert to fraction form
    363,249.78/544,869.15 = 163,429.03/x
  3. Step 3: Cross multiply
    363,249.78x = 544,869.15 × 163,429.03
  4. Step 4: Simplify right side
    363,249.78x = 89,047,436,661.42
  5. Step 5: Solve for x
    x = 89,047,436,661.42/363,249.78
  6. Step 6: Final answer
    x = 245,141.06

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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.