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Finding the Fourth Proportional to 362,839.20, 544,258.80 and 165,847.20

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Solution

The fourth proportional to 362,839.20, 544,258.80 and 165,847.20 is: 248,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,839.20 : 544,258.80 = 165,847.20 : x
  2. Step 2: Convert to fraction form
    362,839.20/544,258.80 = 165,847.20/x
  3. Step 3: Cross multiply
    362,839.20x = 544,258.80 × 165,847.20
  4. Step 4: Simplify right side
    362,839.20x = 90,263,798,055.36
  5. Step 5: Solve for x
    x = 90,263,798,055.36/362,839.20
  6. Step 6: Final answer
    x = 248,770.80

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1.5x scale

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.