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Finding the Fourth Proportional to 304,090.78, 419,644.22 and 169,954.78

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Solution

The fourth proportional to 304,090.78, 419,644.22 and 169,954.78 is: 234,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,090.78 : 419,644.22 = 169,954.78 : x
  2. Step 2: Convert to fraction form
    304,090.78/419,644.22 = 169,954.78/x
  3. Step 3: Cross multiply
    304,090.78x = 419,644.22 × 169,954.78
  4. Step 4: Simplify right side
    304,090.78x = 71,320,541,088.37
  5. Step 5: Solve for x
    x = 71,320,541,088.37/304,090.78
  6. Step 6: Final answer
    x = 234,537.01

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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.