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Finding the Fourth Proportional to 467,556.30, 645,195.30 and 263,614.50

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Solution

The fourth proportional to 467,556.30, 645,195.30 and 263,614.50 is: 363,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,556.30 : 645,195.30 = 263,614.50 : x
  2. Step 2: Convert to fraction form
    467,556.30/645,195.30 = 263,614.50/x
  3. Step 3: Cross multiply
    467,556.30x = 645,195.30 × 263,614.50
  4. Step 4: Simplify right side
    467,556.30x = 170,082,836,411.85
  5. Step 5: Solve for x
    x = 170,082,836,411.85/467,556.30
  6. Step 6: Final answer
    x = 363,769.75

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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.