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Finding the Fourth Proportional to 344,293.52, 475,169.60 and 193,390.48

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Solution

The fourth proportional to 344,293.52, 475,169.60 and 193,390.48 is: 266,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,293.52 : 475,169.60 = 193,390.48 : x
  2. Step 2: Convert to fraction form
    344,293.52/475,169.60 = 193,390.48/x
  3. Step 3: Cross multiply
    344,293.52x = 475,169.60 × 193,390.48
  4. Step 4: Simplify right side
    344,293.52x = 91,893,277,025.41
  5. Step 5: Solve for x
    x = 91,893,277,025.41/344,293.52
  6. Step 6: Final answer
    x = 266,903.88

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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.