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Finding the Fourth Proportional to 484,518.52, 668,634.86 and 269,653.46

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Solution

The fourth proportional to 484,518.52, 668,634.86 and 269,653.46 is: 372,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,518.52 : 668,634.86 = 269,653.46 : x
  2. Step 2: Convert to fraction form
    484,518.52/668,634.86 = 269,653.46/x
  3. Step 3: Cross multiply
    484,518.52x = 668,634.86 × 269,653.46
  4. Step 4: Simplify right side
    484,518.52x = 180,299,703,475.62
  5. Step 5: Solve for x
    x = 180,299,703,475.62/484,518.52
  6. Step 6: Final answer
    x = 372,121.39

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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.