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Finding the Fourth Proportional to 544,008.80, 815,721.60 and 228,108.80

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Solution

The fourth proportional to 544,008.80, 815,721.60 and 228,108.80 is: 342,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,008.80 : 815,721.60 = 228,108.80 : x
  2. Step 2: Convert to fraction form
    544,008.80/815,721.60 = 228,108.80/x
  3. Step 3: Cross multiply
    544,008.80x = 815,721.60 × 228,108.80
  4. Step 4: Simplify right side
    544,008.80x = 186,073,275,310.08
  5. Step 5: Solve for x
    x = 186,073,275,310.08/544,008.80
  6. Step 6: Final answer
    x = 342,040.93

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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.