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Finding the Fourth Proportional to 296,994.60, 445,872.06 and 255,142.44

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Solution

The fourth proportional to 296,994.60, 445,872.06 and 255,142.44 is: 383,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,994.60 : 445,872.06 = 255,142.44 : x
  2. Step 2: Convert to fraction form
    296,994.60/445,872.06 = 255,142.44/x
  3. Step 3: Cross multiply
    296,994.60x = 445,872.06 × 255,142.44
  4. Step 4: Simplify right side
    296,994.60x = 113,760,885,316.23
  5. Step 5: Solve for x
    x = 113,760,885,316.23/296,994.60
  6. Step 6: Final answer
    x = 383,040.25

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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.