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Finding the Fourth Proportional to 481,323.23, 664,199.73 and 263,489.78

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Solution

The fourth proportional to 481,323.23, 664,199.73 and 263,489.78 is: 363,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,323.23 : 664,199.73 = 263,489.78 : x
  2. Step 2: Convert to fraction form
    481,323.23/664,199.73 = 263,489.78/x
  3. Step 3: Cross multiply
    481,323.23x = 664,199.73 × 263,489.78
  4. Step 4: Simplify right side
    481,323.23x = 175,009,836,095.31
  5. Step 5: Solve for x
    x = 175,009,836,095.31/481,323.23
  6. Step 6: Final answer
    x = 363,601.47

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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.