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Finding the Fourth Proportional to 481,410.68, 722,185.22 and 165,782.84

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Solution

The fourth proportional to 481,410.68, 722,185.22 and 165,782.84 is: 248,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,410.68 : 722,185.22 = 165,782.84 : x
  2. Step 2: Convert to fraction form
    481,410.68/722,185.22 = 165,782.84/x
  3. Step 3: Cross multiply
    481,410.68x = 722,185.22 × 165,782.84
  4. Step 4: Simplify right side
    481,410.68x = 119,725,916,777.63
  5. Step 5: Solve for x
    x = 119,725,916,777.63/481,410.68
  6. Step 6: Final answer
    x = 248,698.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.