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Finding the Fourth Proportional to 321,902.52, 444,122.64 and 185,918.51

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Solution

The fourth proportional to 321,902.52, 444,122.64 and 185,918.51 is: 256,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,902.52 : 444,122.64 = 185,918.51 : x
  2. Step 2: Convert to fraction form
    321,902.52/444,122.64 = 185,918.51/x
  3. Step 3: Cross multiply
    321,902.52x = 444,122.64 × 185,918.51
  4. Step 4: Simplify right side
    321,902.52x = 82,570,617,265.45
  5. Step 5: Solve for x
    x = 82,570,617,265.45/321,902.52
  6. Step 6: Final answer
    x = 256,508.14

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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.