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Finding the Fourth Proportional to 464,796.50, 641,419.18 and 263,592.50

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Solution

The fourth proportional to 464,796.50, 641,419.18 and 263,592.50 is: 363,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,796.50 : 641,419.18 = 263,592.50 : x
  2. Step 2: Convert to fraction form
    464,796.50/641,419.18 = 263,592.50/x
  3. Step 3: Cross multiply
    464,796.50x = 641,419.18 × 263,592.50
  4. Step 4: Simplify right side
    464,796.50x = 169,073,285,204.15
  5. Step 5: Solve for x
    x = 169,073,285,204.15/464,796.50
  6. Step 6: Final answer
    x = 363,757.66

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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.