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Finding the Fourth Proportional to 300,793.37, 415,055.30 and 179,890.52

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Solution

The fourth proportional to 300,793.37, 415,055.30 and 179,890.52 is: 248,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,793.37 : 415,055.30 = 179,890.52 : x
  2. Step 2: Convert to fraction form
    300,793.37/415,055.30 = 179,890.52/x
  3. Step 3: Cross multiply
    300,793.37x = 415,055.30 × 179,890.52
  4. Step 4: Simplify right side
    300,793.37x = 74,664,510,771.03
  5. Step 5: Solve for x
    x = 74,664,510,771.03/300,793.37
  6. Step 6: Final answer
    x = 248,225.26

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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.