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Finding the Fourth Proportional to 537,759.20, 806,638.80 and 163,733.60

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Solution

The fourth proportional to 537,759.20, 806,638.80 and 163,733.60 is: 245,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,759.20 : 806,638.80 = 163,733.60 : x
  2. Step 2: Convert to fraction form
    537,759.20/806,638.80 = 163,733.60/x
  3. Step 3: Cross multiply
    537,759.20x = 806,638.80 × 163,733.60
  4. Step 4: Simplify right side
    537,759.20x = 132,073,874,623.68
  5. Step 5: Solve for x
    x = 132,073,874,623.68/537,759.20
  6. Step 6: Final answer
    x = 245,600.40

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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.