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Finding the Fourth Proportional to 394,846.36, 544,887.92 and 213,558.24

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Solution

The fourth proportional to 394,846.36, 544,887.92 and 213,558.24 is: 294,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,846.36 : 544,887.92 = 213,558.24 : x
  2. Step 2: Convert to fraction form
    394,846.36/544,887.92 = 213,558.24/x
  3. Step 3: Cross multiply
    394,846.36x = 544,887.92 × 213,558.24
  4. Step 4: Simplify right side
    394,846.36x = 116,365,305,192.46
  5. Step 5: Solve for x
    x = 116,365,305,192.46/394,846.36
  6. Step 6: Final answer
    x = 294,710.34

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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.