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Finding the Fourth Proportional to 298,789.80, 447,393.72 and 246,433.02

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Solution

The fourth proportional to 298,789.80, 447,393.72 and 246,433.02 is: 368,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,789.80 : 447,393.72 = 246,433.02 : x
  2. Step 2: Convert to fraction form
    298,789.80/447,393.72 = 246,433.02/x
  3. Step 3: Cross multiply
    298,789.80x = 447,393.72 × 246,433.02
  4. Step 4: Simplify right side
    298,789.80x = 110,252,585,548.63
  5. Step 5: Solve for x
    x = 110,252,585,548.63/298,789.80
  6. Step 6: Final answer
    x = 368,997.15

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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.