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Finding the Fourth Proportional to 483,880.32, 667,772.01 and 266,105.55

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Solution

The fourth proportional to 483,880.32, 667,772.01 and 266,105.55 is: 367,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,880.32 : 667,772.01 = 266,105.55 : x
  2. Step 2: Convert to fraction form
    483,880.32/667,772.01 = 266,105.55/x
  3. Step 3: Cross multiply
    483,880.32x = 667,772.01 × 266,105.55
  4. Step 4: Simplify right side
    483,880.32x = 177,697,837,995.66
  5. Step 5: Solve for x
    x = 177,697,837,995.66/483,880.32
  6. Step 6: Final answer
    x = 367,235.10

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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.