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Finding the Fourth Proportional to 362,944.80, 544,028.40 and 163,231.20

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Solution

The fourth proportional to 362,944.80, 544,028.40 and 163,231.20 is: 244,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,944.80 : 544,028.40 = 163,231.20 : x
  2. Step 2: Convert to fraction form
    362,944.80/544,028.40 = 163,231.20/x
  3. Step 3: Cross multiply
    362,944.80x = 544,028.40 × 163,231.20
  4. Step 4: Simplify right side
    362,944.80x = 88,802,408,566.08
  5. Step 5: Solve for x
    x = 88,802,408,566.08/362,944.80
  6. Step 6: Final answer
    x = 244,671.94

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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.