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Finding the Fourth Proportional to 551,208.70, 826,618.65 and 196,234.30

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Solution

The fourth proportional to 551,208.70, 826,618.65 and 196,234.30 is: 294,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,208.70 : 826,618.65 = 196,234.30 : x
  2. Step 2: Convert to fraction form
    551,208.70/826,618.65 = 196,234.30/x
  3. Step 3: Cross multiply
    551,208.70x = 826,618.65 × 196,234.30
  4. Step 4: Simplify right side
    551,208.70x = 162,210,932,149.70
  5. Step 5: Solve for x
    x = 162,210,932,149.70/551,208.70
  6. Step 6: Final answer
    x = 294,282.24

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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.