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Finding the Fourth Proportional to 356,992.72, 534,760.06 and 199,305.16

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Solution

The fourth proportional to 356,992.72, 534,760.06 and 199,305.16 is: 298,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,992.72 : 534,760.06 = 199,305.16 : x
  2. Step 2: Convert to fraction form
    356,992.72/534,760.06 = 199,305.16/x
  3. Step 3: Cross multiply
    356,992.72x = 534,760.06 × 199,305.16
  4. Step 4: Simplify right side
    356,992.72x = 106,580,439,319.91
  5. Step 5: Solve for x
    x = 106,580,439,319.91/356,992.72
  6. Step 6: Final answer
    x = 298,550.74

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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.