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Finding the Fourth Proportional to 349,391.94, 482,162.49 and 198,497.22

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Solution

The fourth proportional to 349,391.94, 482,162.49 and 198,497.22 is: 273,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,391.94 : 482,162.49 = 198,497.22 : x
  2. Step 2: Convert to fraction form
    349,391.94/482,162.49 = 198,497.22/x
  3. Step 3: Cross multiply
    349,391.94x = 482,162.49 × 198,497.22
  4. Step 4: Simplify right side
    349,391.94x = 95,707,913,853.28
  5. Step 5: Solve for x
    x = 95,707,913,853.28/349,391.94
  6. Step 6: Final answer
    x = 273,927.08

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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.