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Finding the Fourth Proportional to 417,752.73, 626,892.61 and 177,866.49

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Solution

The fourth proportional to 417,752.73, 626,892.61 and 177,866.49 is: 266,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,752.73 : 626,892.61 = 177,866.49 : x
  2. Step 2: Convert to fraction form
    417,752.73/626,892.61 = 177,866.49/x
  3. Step 3: Cross multiply
    417,752.73x = 626,892.61 × 177,866.49
  4. Step 4: Simplify right side
    417,752.73x = 111,503,188,147.64
  5. Step 5: Solve for x
    x = 111,503,188,147.64/417,752.73
  6. Step 6: Final answer
    x = 266,911.93

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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.