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Finding the Fourth Proportional to 394,880.24, 544,947.24 and 216,032.24

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Solution

The fourth proportional to 394,880.24, 544,947.24 and 216,032.24 is: 298,131.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,880.24 : 544,947.24 = 216,032.24 : x
  2. Step 2: Convert to fraction form
    394,880.24/544,947.24 = 216,032.24/x
  3. Step 3: Cross multiply
    394,880.24x = 544,947.24 × 216,032.24
  4. Step 4: Simplify right side
    394,880.24x = 117,726,172,939.02
  5. Step 5: Solve for x
    x = 117,726,172,939.02/394,880.24
  6. Step 6: Final answer
    x = 298,131.33

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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.