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Finding the Fourth Proportional to 301,196.70, 450,907.20 and 263,829.78

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Solution

The fourth proportional to 301,196.70, 450,907.20 and 263,829.78 is: 394,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,196.70 : 450,907.20 = 263,829.78 : x
  2. Step 2: Convert to fraction form
    301,196.70/450,907.20 = 263,829.78/x
  3. Step 3: Cross multiply
    301,196.70x = 450,907.20 × 263,829.78
  4. Step 4: Simplify right side
    301,196.70x = 118,962,747,376.42
  5. Step 5: Solve for x
    x = 118,962,747,376.42/301,196.70
  6. Step 6: Final answer
    x = 394,966.97

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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.