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Finding the Fourth Proportional to 322,172.52, 444,607.32 and 178,941.79

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Solution

The fourth proportional to 322,172.52, 444,607.32 and 178,941.79 is: 246,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,172.52 : 444,607.32 = 178,941.79 : x
  2. Step 2: Convert to fraction form
    322,172.52/444,607.32 = 178,941.79/x
  3. Step 3: Cross multiply
    322,172.52x = 444,607.32 × 178,941.79
  4. Step 4: Simplify right side
    322,172.52x = 79,558,829,687.90
  5. Step 5: Solve for x
    x = 79,558,829,687.90/322,172.52
  6. Step 6: Final answer
    x = 246,944.80

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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.