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Finding the Fourth Proportional to 246,658.52, 340,715.46 and 198,442.00

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Solution

The fourth proportional to 246,658.52, 340,715.46 and 198,442.00 is: 274,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,658.52 : 340,715.46 = 198,442.00 : x
  2. Step 2: Convert to fraction form
    246,658.52/340,715.46 = 198,442.00/x
  3. Step 3: Cross multiply
    246,658.52x = 340,715.46 × 198,442.00
  4. Step 4: Simplify right side
    246,658.52x = 67,612,258,483.37
  5. Step 5: Solve for x
    x = 67,612,258,483.37/246,658.52
  6. Step 6: Final answer
    x = 274,112.81

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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.