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Finding the Fourth Proportional to 550,848.80, 826,273.20 and 298,906.40

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Solution

The fourth proportional to 550,848.80, 826,273.20 and 298,906.40 is: 448,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,848.80 : 826,273.20 = 298,906.40 : x
  2. Step 2: Convert to fraction form
    550,848.80/826,273.20 = 298,906.40/x
  3. Step 3: Cross multiply
    550,848.80x = 826,273.20 × 298,906.40
  4. Step 4: Simplify right side
    550,848.80x = 246,978,347,628.48
  5. Step 5: Solve for x
    x = 246,978,347,628.48/550,848.80
  6. Step 6: Final answer
    x = 448,359.60

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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.