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Finding the Fourth Proportional to 362,974.80, 544,073.40 and 163,261.20

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Solution

The fourth proportional to 362,974.80, 544,073.40 and 163,261.20 is: 244,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,974.80 : 544,073.40 = 163,261.20 : x
  2. Step 2: Convert to fraction form
    362,974.80/544,073.40 = 163,261.20/x
  3. Step 3: Cross multiply
    362,974.80x = 544,073.40 × 163,261.20
  4. Step 4: Simplify right side
    362,974.80x = 88,826,076,172.08
  5. Step 5: Solve for x
    x = 88,826,076,172.08/362,974.80
  6. Step 6: Final answer
    x = 244,716.92

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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.