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Finding the Fourth Proportional to 270,789.01, 373,700.52 and 149,930.30

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Solution

The fourth proportional to 270,789.01, 373,700.52 and 149,930.30 is: 206,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,789.01 : 373,700.52 = 149,930.30 : x
  2. Step 2: Convert to fraction form
    270,789.01/373,700.52 = 149,930.30/x
  3. Step 3: Cross multiply
    270,789.01x = 373,700.52 × 149,930.30
  4. Step 4: Simplify right side
    270,789.01x = 56,029,031,073.76
  5. Step 5: Solve for x
    x = 56,029,031,073.76/270,789.01
  6. Step 6: Final answer
    x = 206,910.28

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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.