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Finding the Fourth Proportional to 441,819.84, 609,728.64 and 250,851

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Solution

The fourth proportional to 441,819.84, 609,728.64 and 250,851 is: 346,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,819.84 : 609,728.64 = 250,851 : x
  2. Step 2: Convert to fraction form
    441,819.84/609,728.64 = 250,851/x
  3. Step 3: Cross multiply
    441,819.84x = 609,728.64 × 250,851
  4. Step 4: Simplify right side
    441,819.84x = 152,951,039,072.64
  5. Step 5: Solve for x
    x = 152,951,039,072.64/441,819.84
  6. Step 6: Final answer
    x = 346,184.18

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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.