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Finding the Fourth Proportional to 544,815.60, 816,251.40 and 263,713.20

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Solution

The fourth proportional to 544,815.60, 816,251.40 and 263,713.20 is: 395,099.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,815.60 : 816,251.40 = 263,713.20 : x
  2. Step 2: Convert to fraction form
    544,815.60/816,251.40 = 263,713.20/x
  3. Step 3: Cross multiply
    544,815.60x = 816,251.40 × 263,713.20
  4. Step 4: Simplify right side
    544,815.60x = 215,256,268,698.48
  5. Step 5: Solve for x
    x = 215,256,268,698.48/544,815.60
  6. Step 6: Final answer
    x = 395,099.31

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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.