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Finding the Fourth Proportional to 467,893.56, 644,934.78 and 365,738.52

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Solution

The fourth proportional to 467,893.56, 644,934.78 and 365,738.52 is: 504,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,893.56 : 644,934.78 = 365,738.52 : x
  2. Step 2: Convert to fraction form
    467,893.56/644,934.78 = 365,738.52/x
  3. Step 3: Cross multiply
    467,893.56x = 644,934.78 × 365,738.52
  4. Step 4: Simplify right side
    467,893.56x = 235,877,491,933.73
  5. Step 5: Solve for x
    x = 235,877,491,933.73/467,893.56
  6. Step 6: Final answer
    x = 504,126.39

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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.