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Finding the Fourth Proportional to 270,659.78, 373,499.02 and 149,789.76

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Solution

The fourth proportional to 270,659.78, 373,499.02 and 149,789.76 is: 206,703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,659.78 : 373,499.02 = 149,789.76 : x
  2. Step 2: Convert to fraction form
    270,659.78/373,499.02 = 149,789.76/x
  3. Step 3: Cross multiply
    270,659.78x = 373,499.02 × 149,789.76
  4. Step 4: Simplify right side
    270,659.78x = 55,946,328,566.04
  5. Step 5: Solve for x
    x = 55,946,328,566.04/270,659.78
  6. Step 6: Final answer
    x = 206,703.52

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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.