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Finding the Fourth Proportional to 537,891.60, 806,837.40 and 242,979.60

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Solution

The fourth proportional to 537,891.60, 806,837.40 and 242,979.60 is: 364,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,891.60 : 806,837.40 = 242,979.60 : x
  2. Step 2: Convert to fraction form
    537,891.60/806,837.40 = 242,979.60/x
  3. Step 3: Cross multiply
    537,891.60x = 806,837.40 × 242,979.60
  4. Step 4: Simplify right side
    537,891.60x = 196,045,028,717.04
  5. Step 5: Solve for x
    x = 196,045,028,717.04/537,891.60
  6. Step 6: Final answer
    x = 364,469.40

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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.