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Finding the Fourth Proportional to 701,969.24, 968,714.37 and 379,678.57

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Solution

The fourth proportional to 701,969.24, 968,714.37 and 379,678.57 is: 523,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,969.24 : 968,714.37 = 379,678.57 : x
  2. Step 2: Convert to fraction form
    701,969.24/968,714.37 = 379,678.57/x
  3. Step 3: Cross multiply
    701,969.24x = 968,714.37 × 379,678.57
  4. Step 4: Simplify right side
    701,969.24x = 367,800,084,318.27
  5. Step 5: Solve for x
    x = 367,800,084,318.27/701,969.24
  6. Step 6: Final answer
    x = 523,954.70

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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.