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Finding the Fourth Proportional to 300,793.75, 415,095.42 and 179,940.13

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Solution

The fourth proportional to 300,793.75, 415,095.42 and 179,940.13 is: 248,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,793.75 : 415,095.42 = 179,940.13 : x
  2. Step 2: Convert to fraction form
    300,793.75/415,095.42 = 179,940.13/x
  3. Step 3: Cross multiply
    300,793.75x = 415,095.42 × 179,940.13
  4. Step 4: Simplify right side
    300,793.75x = 74,692,323,837.20
  5. Step 5: Solve for x
    x = 74,692,323,837.20/300,793.75
  6. Step 6: Final answer
    x = 248,317.41

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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.