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Finding the Fourth Proportional to 269,793.90, 404,690.85 and 190,997.10

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Solution

The fourth proportional to 269,793.90, 404,690.85 and 190,997.10 is: 286,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,793.90 : 404,690.85 = 190,997.10 : x
  2. Step 2: Convert to fraction form
    269,793.90/404,690.85 = 190,997.10/x
  3. Step 3: Cross multiply
    269,793.90x = 404,690.85 × 190,997.10
  4. Step 4: Simplify right side
    269,793.90x = 77,294,778,746.54
  5. Step 5: Solve for x
    x = 77,294,778,746.54/269,793.90
  6. Step 6: Final answer
    x = 286,495.65

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1.5x scale

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.