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Finding the Fourth Proportional to 264,457.80, 396,200.70 and 123,906.60

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Solution

The fourth proportional to 264,457.80, 396,200.70 and 123,906.60 is: 185,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,457.80 : 396,200.70 = 123,906.60 : x
  2. Step 2: Convert to fraction form
    264,457.80/396,200.70 = 123,906.60/x
  3. Step 3: Cross multiply
    264,457.80x = 396,200.70 × 123,906.60
  4. Step 4: Simplify right side
    264,457.80x = 49,091,881,654.62
  5. Step 5: Solve for x
    x = 49,091,881,654.62/264,457.80
  6. Step 6: Final answer
    x = 185,632.19

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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.