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Finding the Fourth Proportional to 484,235.25, 668,213.06 and 269,367.63

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Solution

The fourth proportional to 484,235.25, 668,213.06 and 269,367.63 is: 371,709.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,235.25 : 668,213.06 = 269,367.63 : x
  2. Step 2: Convert to fraction form
    484,235.25/668,213.06 = 269,367.63/x
  3. Step 3: Cross multiply
    484,235.25x = 668,213.06 × 269,367.63
  4. Step 4: Simplify right side
    484,235.25x = 179,994,966,960.41
  5. Step 5: Solve for x
    x = 179,994,966,960.41/484,235.25
  6. Step 6: Final answer
    x = 371,709.76

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1.5x scale

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.