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Finding the Fourth Proportional to 454,608.84, 627,220.98 and 263,583.88

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Solution

The fourth proportional to 454,608.84, 627,220.98 and 263,583.88 is: 363,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,608.84 : 627,220.98 = 263,583.88 : x
  2. Step 2: Convert to fraction form
    454,608.84/627,220.98 = 263,583.88/x
  3. Step 3: Cross multiply
    454,608.84x = 627,220.98 × 263,583.88
  4. Step 4: Simplify right side
    454,608.84x = 165,325,339,525.80
  5. Step 5: Solve for x
    x = 165,325,339,525.80/454,608.84
  6. Step 6: Final answer
    x = 363,665.03

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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.