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Finding the Fourth Proportional to 245,997.57, 368,679.53 and 119,392.80

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Solution

The fourth proportional to 245,997.57, 368,679.53 and 119,392.80 is: 178,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,997.57 : 368,679.53 = 119,392.80 : x
  2. Step 2: Convert to fraction form
    245,997.57/368,679.53 = 119,392.80/x
  3. Step 3: Cross multiply
    245,997.57x = 368,679.53 × 119,392.80
  4. Step 4: Simplify right side
    245,997.57x = 44,017,678,949.02
  5. Step 5: Solve for x
    x = 44,017,678,949.02/245,997.57
  6. Step 6: Final answer
    x = 178,935.43

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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.