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Finding the Fourth Proportional to 483,533.87, 667,264.61 and 268,674.48

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Solution

The fourth proportional to 483,533.87, 667,264.61 and 268,674.48 is: 370,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,533.87 : 667,264.61 = 268,674.48 : x
  2. Step 2: Convert to fraction form
    483,533.87/667,264.61 = 268,674.48/x
  3. Step 3: Cross multiply
    483,533.87x = 667,264.61 × 268,674.48
  4. Step 4: Simplify right side
    483,533.87x = 179,276,972,114.15
  5. Step 5: Solve for x
    x = 179,276,972,114.15/483,533.87
  6. Step 6: Final answer
    x = 370,764.04

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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.