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Finding the Fourth Proportional to 305,876.58, 458,844.03 and 118,902.66

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Solution

The fourth proportional to 305,876.58, 458,844.03 and 118,902.66 is: 178,365.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,876.58 : 458,844.03 = 118,902.66 : x
  2. Step 2: Convert to fraction form
    305,876.58/458,844.03 = 118,902.66/x
  3. Step 3: Cross multiply
    305,876.58x = 458,844.03 × 118,902.66
  4. Step 4: Simplify right side
    305,876.58x = 54,557,775,692.12
  5. Step 5: Solve for x
    x = 54,557,775,692.12/305,876.58
  6. Step 6: Final answer
    x = 178,365.33

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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.