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Finding the Fourth Proportional to 483,453.78, 666,951.57 and 322,151.46

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Solution

The fourth proportional to 483,453.78, 666,951.57 and 322,151.46 is: 444,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,453.78 : 666,951.57 = 322,151.46 : x
  2. Step 2: Convert to fraction form
    483,453.78/666,951.57 = 322,151.46/x
  3. Step 3: Cross multiply
    483,453.78x = 666,951.57 × 322,151.46
  4. Step 4: Simplify right side
    483,453.78x = 214,859,422,024.79
  5. Step 5: Solve for x
    x = 214,859,422,024.79/483,453.78
  6. Step 6: Final answer
    x = 444,425.98

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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.