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Finding the Fourth Proportional to 270,688.50, 373,540.77 and 149,835.06

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Solution

The fourth proportional to 270,688.50, 373,540.77 and 149,835.06 is: 206,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,688.50 : 373,540.77 = 149,835.06 : x
  2. Step 2: Convert to fraction form
    270,688.50/373,540.77 = 149,835.06/x
  3. Step 3: Cross multiply
    270,688.50x = 373,540.77 × 149,835.06
  4. Step 4: Simplify right side
    270,688.50x = 55,969,503,685.40
  5. Step 5: Solve for x
    x = 55,969,503,685.40/270,688.50
  6. Step 6: Final answer
    x = 206,767.20

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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.