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Finding the Fourth Proportional to 544,713.60, 816,098.40 and 263,611.20

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Solution

The fourth proportional to 544,713.60, 816,098.40 and 263,611.20 is: 394,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,713.60 : 816,098.40 = 263,611.20 : x
  2. Step 2: Convert to fraction form
    544,713.60/816,098.40 = 263,611.20/x
  3. Step 3: Cross multiply
    544,713.60x = 816,098.40 × 263,611.20
  4. Step 4: Simplify right side
    544,713.60x = 215,132,678,542.08
  5. Step 5: Solve for x
    x = 215,132,678,542.08/544,713.60
  6. Step 6: Final answer
    x = 394,946.41

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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.