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Finding the Fourth Proportional to 484,388.33, 668,455.89 and 269,542.23

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Solution

The fourth proportional to 484,388.33, 668,455.89 and 269,542.23 is: 371,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,388.33 : 668,455.89 = 269,542.23 : x
  2. Step 2: Convert to fraction form
    484,388.33/668,455.89 = 269,542.23/x
  3. Step 3: Cross multiply
    484,388.33x = 668,455.89 × 269,542.23
  4. Step 4: Simplify right side
    484,388.33x = 180,177,091,247.24
  5. Step 5: Solve for x
    x = 180,177,091,247.24/484,388.33
  6. Step 6: Final answer
    x = 371,968.27

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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.