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Finding the Fourth Proportional to 299,039.04, 448,135.74 and 254,489.04

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Solution

The fourth proportional to 299,039.04, 448,135.74 and 254,489.04 is: 381,373.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,039.04 : 448,135.74 = 254,489.04 : x
  2. Step 2: Convert to fraction form
    299,039.04/448,135.74 = 254,489.04/x
  3. Step 3: Cross multiply
    299,039.04x = 448,135.74 × 254,489.04
  4. Step 4: Simplify right side
    299,039.04x = 114,045,634,262.29
  5. Step 5: Solve for x
    x = 114,045,634,262.29/299,039.04
  6. Step 6: Final answer
    x = 381,373.73

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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.