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Finding the Fourth Proportional to 544,032.70, 815,818.65 and 263,635.90

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Solution

The fourth proportional to 544,032.70, 815,818.65 and 263,635.90 is: 395,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,032.70 : 815,818.65 = 263,635.90 : x
  2. Step 2: Convert to fraction form
    544,032.70/815,818.65 = 263,635.90/x
  3. Step 3: Cross multiply
    544,032.70x = 815,818.65 × 263,635.90
  4. Step 4: Simplify right side
    544,032.70x = 215,079,084,029.54
  5. Step 5: Solve for x
    x = 215,079,084,029.54/544,032.70
  6. Step 6: Final answer
    x = 395,342.20

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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.