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Finding the Fourth Proportional to 483,718.43, 725,077.37 and 163,764.43

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Solution

The fourth proportional to 483,718.43, 725,077.37 and 163,764.43 is: 245,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,718.43 : 725,077.37 = 163,764.43 : x
  2. Step 2: Convert to fraction form
    483,718.43/725,077.37 = 163,764.43/x
  3. Step 3: Cross multiply
    483,718.43x = 725,077.37 × 163,764.43
  4. Step 4: Simplify right side
    483,718.43x = 118,741,877,759.74
  5. Step 5: Solve for x
    x = 118,741,877,759.74/483,718.43
  6. Step 6: Final answer
    x = 245,477.27

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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.