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Finding the Fourth Proportional to 408,667.70, 613,024.61 and 124,367.52

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Solution

The fourth proportional to 408,667.70, 613,024.61 and 124,367.52 is: 186,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,667.70 : 613,024.61 = 124,367.52 : x
  2. Step 2: Convert to fraction form
    408,667.70/613,024.61 = 124,367.52/x
  3. Step 3: Cross multiply
    408,667.70x = 613,024.61 × 124,367.52
  4. Step 4: Simplify right side
    408,667.70x = 76,240,348,673.41
  5. Step 5: Solve for x
    x = 76,240,348,673.41/408,667.70
  6. Step 6: Final answer
    x = 186,558.29

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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.