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Finding the Fourth Proportional to 484,147.86, 668,114.46 and 269,283.30

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Solution

The fourth proportional to 484,147.86, 668,114.46 and 269,283.30 is: 371,605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,147.86 : 668,114.46 = 269,283.30 : x
  2. Step 2: Convert to fraction form
    484,147.86/668,114.46 = 269,283.30/x
  3. Step 3: Cross multiply
    484,147.86x = 668,114.46 × 269,283.30
  4. Step 4: Simplify right side
    484,147.86x = 179,912,066,566.52
  5. Step 5: Solve for x
    x = 179,912,066,566.52/484,147.86
  6. Step 6: Final answer
    x = 371,605.62

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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.