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Finding the Fourth Proportional to 481,395.01, 664,335.47 and 263,612.87

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Solution

The fourth proportional to 481,395.01, 664,335.47 and 263,612.87 is: 363,791.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,395.01 : 664,335.47 = 263,612.87 : x
  2. Step 2: Convert to fraction form
    481,395.01/664,335.47 = 263,612.87/x
  3. Step 3: Cross multiply
    481,395.01x = 664,335.47 × 263,612.87
  4. Step 4: Simplify right side
    481,395.01x = 175,127,378,571.44
  5. Step 5: Solve for x
    x = 175,127,378,571.44/481,395.01
  6. Step 6: Final answer
    x = 363,791.43

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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.