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Finding the Fourth Proportional to 299,996.97, 413,987.79 and 177,495.69

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Solution

The fourth proportional to 299,996.97, 413,987.79 and 177,495.69 is: 244,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,996.97 : 413,987.79 = 177,495.69 : x
  2. Step 2: Convert to fraction form
    299,996.97/413,987.79 = 177,495.69/x
  3. Step 3: Cross multiply
    299,996.97x = 413,987.79 × 177,495.69
  4. Step 4: Simplify right side
    299,996.97x = 73,481,048,437.63
  5. Step 5: Solve for x
    x = 73,481,048,437.63/299,996.97
  6. Step 6: Final answer
    x = 244,939.30

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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.