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Finding the Fourth Proportional to 302,766.66, 417,798 and 181,836.09

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Solution

The fourth proportional to 302,766.66, 417,798 and 181,836.09 is: 250,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,766.66 : 417,798 = 181,836.09 : x
  2. Step 2: Convert to fraction form
    302,766.66/417,798 = 181,836.09/x
  3. Step 3: Cross multiply
    302,766.66x = 417,798 × 181,836.09
  4. Step 4: Simplify right side
    302,766.66x = 75,970,754,729.82
  5. Step 5: Solve for x
    x = 75,970,754,729.82/302,766.66
  6. Step 6: Final answer
    x = 250,921.80

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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.