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Finding the Fourth Proportional to 484,510.28, 668,617.52 and 269,650.31

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Solution

The fourth proportional to 484,510.28, 668,617.52 and 269,650.31 is: 372,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,510.28 : 668,617.52 = 269,650.31 : x
  2. Step 2: Convert to fraction form
    484,510.28/668,617.52 = 269,650.31/x
  3. Step 3: Cross multiply
    484,510.28x = 668,617.52 × 269,650.31
  4. Step 4: Simplify right side
    484,510.28x = 180,292,916,848.09
  5. Step 5: Solve for x
    x = 180,292,916,848.09/484,510.28
  6. Step 6: Final answer
    x = 372,113.71

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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.