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Finding the Fourth Proportional to 701,445.37, 967,994.40 and 379,155.28

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Solution

The fourth proportional to 701,445.37, 967,994.40 and 379,155.28 is: 523,234.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,445.37 : 967,994.40 = 379,155.28 : x
  2. Step 2: Convert to fraction form
    701,445.37/967,994.40 = 379,155.28/x
  3. Step 3: Cross multiply
    701,445.37x = 967,994.40 × 379,155.28
  4. Step 4: Simplify right side
    701,445.37x = 367,020,187,770.43
  5. Step 5: Solve for x
    x = 367,020,187,770.43/701,445.37
  6. Step 6: Final answer
    x = 523,234.17

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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.