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Finding the Fourth Proportional to 484,519.52, 668,636.24 and 269,654.46

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Solution

The fourth proportional to 484,519.52, 668,636.24 and 269,654.46 is: 372,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,519.52 : 668,636.24 = 269,654.46 : x
  2. Step 2: Convert to fraction form
    484,519.52/668,636.24 = 269,654.46/x
  3. Step 3: Cross multiply
    484,519.52x = 668,636.24 × 269,654.46
  4. Step 4: Simplify right side
    484,519.52x = 180,300,744,233.63
  5. Step 5: Solve for x
    x = 180,300,744,233.63/484,519.52
  6. Step 6: Final answer
    x = 372,122.77

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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.