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Finding the Fourth Proportional to 305,848.80, 458,773.20 and 199,560.60

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Solution

The fourth proportional to 305,848.80, 458,773.20 and 199,560.60 is: 299,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,848.80 : 458,773.20 = 199,560.60 : x
  2. Step 2: Convert to fraction form
    305,848.80/458,773.20 = 199,560.60/x
  3. Step 3: Cross multiply
    305,848.80x = 458,773.20 × 199,560.60
  4. Step 4: Simplify right side
    305,848.80x = 91,553,055,055.92
  5. Step 5: Solve for x
    x = 91,553,055,055.92/305,848.80
  6. Step 6: Final answer
    x = 299,340.90

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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.