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Finding the Fourth Proportional to 537,739.20, 806,608.80 and 163,713.60

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Solution

The fourth proportional to 537,739.20, 806,608.80 and 163,713.60 is: 245,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,739.20 : 806,608.80 = 163,713.60 : x
  2. Step 2: Convert to fraction form
    537,739.20/806,608.80 = 163,713.60/x
  3. Step 3: Cross multiply
    537,739.20x = 806,608.80 × 163,713.60
  4. Step 4: Simplify right side
    537,739.20x = 132,052,830,439.68
  5. Step 5: Solve for x
    x = 132,052,830,439.68/537,739.20
  6. Step 6: Final answer
    x = 245,570.40

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Similar ratio
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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.