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Finding the Fourth Proportional to 305,835.66, 458,753.49 and 95,491.62

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Solution

The fourth proportional to 305,835.66, 458,753.49 and 95,491.62 is: 143,237.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,835.66 : 458,753.49 = 95,491.62 : x
  2. Step 2: Convert to fraction form
    305,835.66/458,753.49 = 95,491.62/x
  3. Step 3: Cross multiply
    305,835.66x = 458,753.49 × 95,491.62
  4. Step 4: Simplify right side
    305,835.66x = 43,807,113,940.75
  5. Step 5: Solve for x
    x = 43,807,113,940.75/305,835.66
  6. Step 6: Final answer
    x = 143,237.43

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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.