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Finding the Fourth Proportional to 270,049.50, 372,668.31 and 150,817.50

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Solution

The fourth proportional to 270,049.50, 372,668.31 and 150,817.50 is: 208,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,049.50 : 372,668.31 = 150,817.50 : x
  2. Step 2: Convert to fraction form
    270,049.50/372,668.31 = 150,817.50/x
  3. Step 3: Cross multiply
    270,049.50x = 372,668.31 × 150,817.50
  4. Step 4: Simplify right side
    270,049.50x = 56,204,902,843.43
  5. Step 5: Solve for x
    x = 56,204,902,843.43/270,049.50
  6. Step 6: Final answer
    x = 208,128.15

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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.