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Finding the Fourth Proportional to 493,363.80, 680,842.44 and 267,009.48

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Solution

The fourth proportional to 493,363.80, 680,842.44 and 267,009.48 is: 368,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,363.80 : 680,842.44 = 267,009.48 : x
  2. Step 2: Convert to fraction form
    493,363.80/680,842.44 = 267,009.48/x
  3. Step 3: Cross multiply
    493,363.80x = 680,842.44 × 267,009.48
  4. Step 4: Simplify right side
    493,363.80x = 181,791,385,866.33
  5. Step 5: Solve for x
    x = 181,791,385,866.33/493,363.80
  6. Step 6: Final answer
    x = 368,473.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.