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Finding the Fourth Proportional to 362,847.20, 544,270.80 and 165,855.20

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Solution

The fourth proportional to 362,847.20, 544,270.80 and 165,855.20 is: 248,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,847.20 : 544,270.80 = 165,855.20 : x
  2. Step 2: Convert to fraction form
    362,847.20/544,270.80 = 165,855.20/x
  3. Step 3: Cross multiply
    362,847.20x = 544,270.80 × 165,855.20
  4. Step 4: Simplify right side
    362,847.20x = 90,270,142,388.16
  5. Step 5: Solve for x
    x = 90,270,142,388.16/362,847.20
  6. Step 6: Final answer
    x = 248,782.80

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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.