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Finding the Fourth Proportional to 483,297.92, 667,003.38 and 292,416.56

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Solution

The fourth proportional to 483,297.92, 667,003.38 and 292,416.56 is: 403,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,297.92 : 667,003.38 = 292,416.56 : x
  2. Step 2: Convert to fraction form
    483,297.92/667,003.38 = 292,416.56/x
  3. Step 3: Cross multiply
    483,297.92x = 667,003.38 × 292,416.56
  4. Step 4: Simplify right side
    483,297.92x = 195,042,833,887.97
  5. Step 5: Solve for x
    x = 195,042,833,887.97/483,297.92
  6. Step 6: Final answer
    x = 403,566.47

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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.