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Finding the Fourth Proportional to 335,893.80, 463,502.92 and 199,905.80

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Solution

The fourth proportional to 335,893.80, 463,502.92 and 199,905.80 is: 275,851.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,893.80 : 463,502.92 = 199,905.80 : x
  2. Step 2: Convert to fraction form
    335,893.80/463,502.92 = 199,905.80/x
  3. Step 3: Cross multiply
    335,893.80x = 463,502.92 × 199,905.80
  4. Step 4: Simplify right side
    335,893.80x = 92,656,922,024.94
  5. Step 5: Solve for x
    x = 92,656,922,024.94/335,893.80
  6. Step 6: Final answer
    x = 275,851.84

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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.