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Finding the Fourth Proportional to 456,737.54, 685,057.05 and 119,811.96

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Solution

The fourth proportional to 456,737.54, 685,057.05 and 119,811.96 is: 179,705.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,737.54 : 685,057.05 = 119,811.96 : x
  2. Step 2: Convert to fraction form
    456,737.54/685,057.05 = 119,811.96/x
  3. Step 3: Cross multiply
    456,737.54x = 685,057.05 × 119,811.96
  4. Step 4: Simplify right side
    456,737.54x = 82,078,027,872.32
  5. Step 5: Solve for x
    x = 82,078,027,872.32/456,737.54
  6. Step 6: Final answer
    x = 179,705.02

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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.