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Finding the Fourth Proportional to 701,311.48, 967,814.28 and 379,020.82

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Solution

The fourth proportional to 701,311.48, 967,814.28 and 379,020.82 is: 523,051.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,311.48 : 967,814.28 = 379,020.82 : x
  2. Step 2: Convert to fraction form
    701,311.48/967,814.28 = 379,020.82/x
  3. Step 3: Cross multiply
    701,311.48x = 967,814.28 × 379,020.82
  4. Step 4: Simplify right side
    701,311.48x = 366,821,762,013.31
  5. Step 5: Solve for x
    x = 366,821,762,013.31/701,311.48
  6. Step 6: Final answer
    x = 523,051.13

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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.