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Finding the Fourth Proportional to 344,779, 475,790.34 and 193,876.36

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Solution

The fourth proportional to 344,779, 475,790.34 and 193,876.36 is: 267,546.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,779 : 475,790.34 = 193,876.36 : x
  2. Step 2: Convert to fraction form
    344,779/475,790.34 = 193,876.36/x
  3. Step 3: Cross multiply
    344,779x = 475,790.34 × 193,876.36
  4. Step 4: Simplify right side
    344,779x = 92,244,499,242.36
  5. Step 5: Solve for x
    x = 92,244,499,242.36/344,779
  6. Step 6: Final answer
    x = 267,546.75

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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.