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Finding the Fourth Proportional to 305,914.08, 458,783.64 and 156,060.84

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Solution

The fourth proportional to 305,914.08, 458,783.64 and 156,060.84 is: 234,046.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,914.08 : 458,783.64 = 156,060.84 : x
  2. Step 2: Convert to fraction form
    305,914.08/458,783.64 = 156,060.84/x
  3. Step 3: Cross multiply
    305,914.08x = 458,783.64 × 156,060.84
  4. Step 4: Simplify right side
    305,914.08x = 71,598,160,236.66
  5. Step 5: Solve for x
    x = 71,598,160,236.66/305,914.08
  6. Step 6: Final answer
    x = 234,046.63

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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.