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Finding the Fourth Proportional to 544,711.60, 816,095.40 and 263,609.20

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Solution

The fourth proportional to 544,711.60, 816,095.40 and 263,609.20 is: 394,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,711.60 : 816,095.40 = 263,609.20 : x
  2. Step 2: Convert to fraction form
    544,711.60/816,095.40 = 263,609.20/x
  3. Step 3: Cross multiply
    544,711.60x = 816,095.40 × 263,609.20
  4. Step 4: Simplify right side
    544,711.60x = 215,130,255,517.68
  5. Step 5: Solve for x
    x = 215,130,255,517.68/544,711.60
  6. Step 6: Final answer
    x = 394,943.41

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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.