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Finding the Fourth Proportional to 270,615.15, 373,449.63 and 149,764.77

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Solution

The fourth proportional to 270,615.15, 373,449.63 and 149,764.77 is: 206,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,615.15 : 373,449.63 = 149,764.77 : x
  2. Step 2: Convert to fraction form
    270,615.15/373,449.63 = 149,764.77/x
  3. Step 3: Cross multiply
    270,615.15x = 373,449.63 × 149,764.77
  4. Step 4: Simplify right side
    270,615.15x = 55,929,596,262.29
  5. Step 5: Solve for x
    x = 55,929,596,262.29/270,615.15
  6. Step 6: Final answer
    x = 206,675.78

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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.