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Finding the Fourth Proportional to 701,605.44, 968,215.57 and 379,315.44

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Solution

The fourth proportional to 701,605.44, 968,215.57 and 379,315.44 is: 523,455.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,605.44 : 968,215.57 = 379,315.44 : x
  2. Step 2: Convert to fraction form
    701,605.44/968,215.57 = 379,315.44/x
  3. Step 3: Cross multiply
    701,605.44x = 968,215.57 × 379,315.44
  4. Step 4: Simplify right side
    701,605.44x = 367,259,114,001.11
  5. Step 5: Solve for x
    x = 367,259,114,001.11/701,605.44
  6. Step 6: Final answer
    x = 523,455.34

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1.5x scale

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.