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Finding the Fourth Proportional to 322,386.48, 444,897.37 and 177,208.11

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Solution

The fourth proportional to 322,386.48, 444,897.37 and 177,208.11 is: 244,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,386.48 : 444,897.37 = 177,208.11 : x
  2. Step 2: Convert to fraction form
    322,386.48/444,897.37 = 177,208.11/x
  3. Step 3: Cross multiply
    322,386.48x = 444,897.37 × 177,208.11
  4. Step 4: Simplify right side
    322,386.48x = 78,839,422,303.18
  5. Step 5: Solve for x
    x = 78,839,422,303.18/322,386.48
  6. Step 6: Final answer
    x = 244,549.41

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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.