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Finding the Fourth Proportional to 537,693.60, 806,540.40 and 511,449.60

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Solution

The fourth proportional to 537,693.60, 806,540.40 and 511,449.60 is: 767,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,693.60 : 806,540.40 = 511,449.60 : x
  2. Step 2: Convert to fraction form
    537,693.60/806,540.40 = 511,449.60/x
  3. Step 3: Cross multiply
    537,693.60x = 806,540.40 × 511,449.60
  4. Step 4: Simplify right side
    537,693.60x = 412,504,764,963.84
  5. Step 5: Solve for x
    x = 412,504,764,963.84/537,693.60
  6. Step 6: Final answer
    x = 767,174.40

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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.