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Finding the Fourth Proportional to 344,665.50, 475,638.39 and 193,763.58

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Solution

The fourth proportional to 344,665.50, 475,638.39 and 193,763.58 is: 267,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,665.50 : 475,638.39 = 193,763.58 : x
  2. Step 2: Convert to fraction form
    344,665.50/475,638.39 = 193,763.58/x
  3. Step 3: Cross multiply
    344,665.50x = 475,638.39 × 193,763.58
  4. Step 4: Simplify right side
    344,665.50x = 92,161,397,231.84
  5. Step 5: Solve for x
    x = 92,161,397,231.84/344,665.50
  6. Step 6: Final answer
    x = 267,393.74

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1.5x scale

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.