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Finding the Fourth Proportional to 344,256.75, 475,118.87 and 193,353.75

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Solution

The fourth proportional to 344,256.75, 475,118.87 and 193,353.75 is: 266,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,256.75 : 475,118.87 = 193,353.75 : x
  2. Step 2: Convert to fraction form
    344,256.75/475,118.87 = 193,353.75/x
  3. Step 3: Cross multiply
    344,256.75x = 475,118.87 × 193,353.75
  4. Step 4: Simplify right side
    344,256.75x = 91,866,014,243.49
  5. Step 5: Solve for x
    x = 91,866,014,243.49/344,256.75
  6. Step 6: Final answer
    x = 266,853.20

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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.