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Finding the Fourth Proportional to 373,669.04, 515,659.56 and 203,901.68

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Solution

The fourth proportional to 373,669.04, 515,659.56 and 203,901.68 is: 281,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,669.04 : 515,659.56 = 203,901.68 : x
  2. Step 2: Convert to fraction form
    373,669.04/515,659.56 = 203,901.68/x
  3. Step 3: Cross multiply
    373,669.04x = 515,659.56 × 203,901.68
  4. Step 4: Simplify right side
    373,669.04x = 105,143,850,592.06
  5. Step 5: Solve for x
    x = 105,143,850,592.06/373,669.04
  6. Step 6: Final answer
    x = 281,382.29

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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.