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Finding the Fourth Proportional to 682,008.71, 941,194.75 and 371,928.27

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Solution

The fourth proportional to 682,008.71, 941,194.75 and 371,928.27 is: 513,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,008.71 : 941,194.75 = 371,928.27 : x
  2. Step 2: Convert to fraction form
    682,008.71/941,194.75 = 371,928.27/x
  3. Step 3: Cross multiply
    682,008.71x = 941,194.75 × 371,928.27
  4. Step 4: Simplify right side
    682,008.71x = 350,056,934,949.97
  5. Step 5: Solve for x
    x = 350,056,934,949.97/682,008.71
  6. Step 6: Final answer
    x = 513,273.41

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Double scale
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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.