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Finding the Fourth Proportional to 483,393.56, 667,262.75 and 415,136.44

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Solution

The fourth proportional to 483,393.56, 667,262.75 and 415,136.44 is: 573,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,393.56 : 667,262.75 = 415,136.44 : x
  2. Step 2: Convert to fraction form
    483,393.56/667,262.75 = 415,136.44/x
  3. Step 3: Cross multiply
    483,393.56x = 667,262.75 × 415,136.44
  4. Step 4: Simplify right side
    483,393.56x = 277,005,082,579.61
  5. Step 5: Solve for x
    x = 277,005,082,579.61/483,393.56
  6. Step 6: Final answer
    x = 573,042.56

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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.