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Finding the Fourth Proportional to 351,181.98, 484,630.56 and 198,252.36

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Solution

The fourth proportional to 351,181.98, 484,630.56 and 198,252.36 is: 273,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,181.98 : 484,630.56 = 198,252.36 : x
  2. Step 2: Convert to fraction form
    351,181.98/484,630.56 = 198,252.36/x
  3. Step 3: Cross multiply
    351,181.98x = 484,630.56 × 198,252.36
  4. Step 4: Simplify right side
    351,181.98x = 96,079,152,248.12
  5. Step 5: Solve for x
    x = 96,079,152,248.12/351,181.98
  6. Step 6: Final answer
    x = 273,587.93

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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.