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Finding the Fourth Proportional to 323,144.79, 445,874.67 and 195,746.37

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Solution

The fourth proportional to 323,144.79, 445,874.67 and 195,746.37 is: 270,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,144.79 : 445,874.67 = 195,746.37 : x
  2. Step 2: Convert to fraction form
    323,144.79/445,874.67 = 195,746.37/x
  3. Step 3: Cross multiply
    323,144.79x = 445,874.67 × 195,746.37
  4. Step 4: Simplify right side
    323,144.79x = 87,278,348,127.45
  5. Step 5: Solve for x
    x = 87,278,348,127.45/323,144.79
  6. Step 6: Final answer
    x = 270,090.53

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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.