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Finding the Fourth Proportional to 299,674.76, 413,563.78 and 172,350.48

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Solution

The fourth proportional to 299,674.76, 413,563.78 and 172,350.48 is: 237,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,674.76 : 413,563.78 = 172,350.48 : x
  2. Step 2: Convert to fraction form
    299,674.76/413,563.78 = 172,350.48/x
  3. Step 3: Cross multiply
    299,674.76x = 413,563.78 × 172,350.48
  4. Step 4: Simplify right side
    299,674.76x = 71,277,915,993.61
  5. Step 5: Solve for x
    x = 71,277,915,993.61/299,674.76
  6. Step 6: Final answer
    x = 237,850.92

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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.