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Finding the Fourth Proportional to 322,772.37, 484,157.74 and 98,131.83

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Solution

The fourth proportional to 322,772.37, 484,157.74 and 98,131.83 is: 147,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,772.37 : 484,157.74 = 98,131.83 : x
  2. Step 2: Convert to fraction form
    322,772.37/484,157.74 = 98,131.83/x
  3. Step 3: Cross multiply
    322,772.37x = 484,157.74 × 98,131.83
  4. Step 4: Simplify right side
    322,772.37x = 47,511,285,034.86
  5. Step 5: Solve for x
    x = 47,511,285,034.86/322,772.37
  6. Step 6: Final answer
    x = 147,197.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.