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Finding the Fourth Proportional to 277,490.43, 382,939.50 and 150,168.67

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Solution

The fourth proportional to 277,490.43, 382,939.50 and 150,168.67 is: 207,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,490.43 : 382,939.50 = 150,168.67 : x
  2. Step 2: Convert to fraction form
    277,490.43/382,939.50 = 150,168.67/x
  3. Step 3: Cross multiply
    277,490.43x = 382,939.50 × 150,168.67
  4. Step 4: Simplify right side
    277,490.43x = 57,505,514,654.62
  5. Step 5: Solve for x
    x = 57,505,514,654.62/277,490.43
  6. Step 6: Final answer
    x = 207,234.23

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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.