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Finding the Fourth Proportional to 551,639.25, 827,458.89 and 177,662.25

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Solution

The fourth proportional to 551,639.25, 827,458.89 and 177,662.25 is: 266,493.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,639.25 : 827,458.89 = 177,662.25 : x
  2. Step 2: Convert to fraction form
    551,639.25/827,458.89 = 177,662.25/x
  3. Step 3: Cross multiply
    551,639.25x = 827,458.89 × 177,662.25
  4. Step 4: Simplify right side
    551,639.25x = 147,008,208,179.90
  5. Step 5: Solve for x
    x = 147,008,208,179.90/551,639.25
  6. Step 6: Final answer
    x = 266,493.38

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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.