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Finding the Fourth Proportional to 551,186.44, 826,866.30 and 235,645

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Solution

The fourth proportional to 551,186.44, 826,866.30 and 235,645 is: 353,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,186.44 : 826,866.30 = 235,645 : x
  2. Step 2: Convert to fraction form
    551,186.44/826,866.30 = 235,645/x
  3. Step 3: Cross multiply
    551,186.44x = 826,866.30 × 235,645
  4. Step 4: Simplify right side
    551,186.44x = 194,846,909,263.50
  5. Step 5: Solve for x
    x = 194,846,909,263.50/551,186.44
  6. Step 6: Final answer
    x = 353,504.54

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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.