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Finding the Fourth Proportional to 449,851.24, 620,786.34 and 248,642.92

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Solution

The fourth proportional to 449,851.24, 620,786.34 and 248,642.92 is: 343,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,851.24 : 620,786.34 = 248,642.92 : x
  2. Step 2: Convert to fraction form
    449,851.24/620,786.34 = 248,642.92/x
  3. Step 3: Cross multiply
    449,851.24x = 620,786.34 × 248,642.92
  4. Step 4: Simplify right side
    449,851.24x = 154,354,128,273.71
  5. Step 5: Solve for x
    x = 154,354,128,273.71/449,851.24
  6. Step 6: Final answer
    x = 343,122.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.