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Finding the Fourth Proportional to 481,410.52, 664,356.90 and 263,628.37

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Solution

The fourth proportional to 481,410.52, 664,356.90 and 263,628.37 is: 363,812.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,410.52 : 664,356.90 = 263,628.37 : x
  2. Step 2: Convert to fraction form
    481,410.52/664,356.90 = 263,628.37/x
  3. Step 3: Cross multiply
    481,410.52x = 664,356.90 × 263,628.37
  4. Step 4: Simplify right side
    481,410.52x = 175,143,326,645.25
  5. Step 5: Solve for x
    x = 175,143,326,645.25/481,410.52
  6. Step 6: Final answer
    x = 363,812.84

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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.