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Finding the Fourth Proportional to 544,014.80, 815,730.60 and 228,114.80

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Solution

The fourth proportional to 544,014.80, 815,730.60 and 228,114.80 is: 342,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,014.80 : 815,730.60 = 228,114.80 : x
  2. Step 2: Convert to fraction form
    544,014.80/815,730.60 = 228,114.80/x
  3. Step 3: Cross multiply
    544,014.80x = 815,730.60 × 228,114.80
  4. Step 4: Simplify right side
    544,014.80x = 186,080,222,672.88
  5. Step 5: Solve for x
    x = 186,080,222,672.88/544,014.80
  6. Step 6: Final answer
    x = 342,049.93

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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.