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Finding the Fourth Proportional to 299,995.30, 449,500.74 and 181,700.38

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Solution

The fourth proportional to 299,995.30, 449,500.74 and 181,700.38 is: 272,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,995.30 : 449,500.74 = 181,700.38 : x
  2. Step 2: Convert to fraction form
    299,995.30/449,500.74 = 181,700.38/x
  3. Step 3: Cross multiply
    299,995.30x = 449,500.74 × 181,700.38
  4. Step 4: Simplify right side
    299,995.30x = 81,674,455,268.28
  5. Step 5: Solve for x
    x = 81,674,455,268.28/299,995.30
  6. Step 6: Final answer
    x = 272,252.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.