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Finding the Fourth Proportional to 305,887.04, 458,652 and 118,679.84

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Solution

The fourth proportional to 305,887.04, 458,652 and 118,679.84 is: 177,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,887.04 : 458,652 = 118,679.84 : x
  2. Step 2: Convert to fraction form
    305,887.04/458,652 = 118,679.84/x
  3. Step 3: Cross multiply
    305,887.04x = 458,652 × 118,679.84
  4. Step 4: Simplify right side
    305,887.04x = 54,432,745,975.68
  5. Step 5: Solve for x
    x = 54,432,745,975.68/305,887.04
  6. Step 6: Final answer
    x = 177,950.48

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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.