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Finding the Fourth Proportional to 371,209.44, 512,270.37 and 201,443.52

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Solution

The fourth proportional to 371,209.44, 512,270.37 and 201,443.52 is: 277,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,209.44 : 512,270.37 = 201,443.52 : x
  2. Step 2: Convert to fraction form
    371,209.44/512,270.37 = 201,443.52/x
  3. Step 3: Cross multiply
    371,209.44x = 512,270.37 × 201,443.52
  4. Step 4: Simplify right side
    371,209.44x = 103,193,546,524.50
  5. Step 5: Solve for x
    x = 103,193,546,524.50/371,209.44
  6. Step 6: Final answer
    x = 277,992.79

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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.