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Finding the Fourth Proportional to 373,806.82, 560,513.20 and 163,198.72

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Solution

The fourth proportional to 373,806.82, 560,513.20 and 163,198.72 is: 244,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,806.82 : 560,513.20 = 163,198.72 : x
  2. Step 2: Convert to fraction form
    373,806.82/560,513.20 = 163,198.72/x
  3. Step 3: Cross multiply
    373,806.82x = 560,513.20 × 163,198.72
  4. Step 4: Simplify right side
    373,806.82x = 91,475,036,783.10
  5. Step 5: Solve for x
    x = 91,475,036,783.10/373,806.82
  6. Step 6: Final answer
    x = 244,712.06

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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.