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Finding the Fourth Proportional to 351,469.39, 485,026.88 and 190,324.43

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Solution

The fourth proportional to 351,469.39, 485,026.88 and 190,324.43 is: 262,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,469.39 : 485,026.88 = 190,324.43 : x
  2. Step 2: Convert to fraction form
    351,469.39/485,026.88 = 190,324.43/x
  3. Step 3: Cross multiply
    351,469.39x = 485,026.88 × 190,324.43
  4. Step 4: Simplify right side
    351,469.39x = 92,312,462,045.54
  5. Step 5: Solve for x
    x = 92,312,462,045.54/351,469.39
  6. Step 6: Final answer
    x = 262,647.23

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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.