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Finding the Fourth Proportional to 701,969.12, 968,717.45 and 379,679.24

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Solution

The fourth proportional to 701,969.12, 968,717.45 and 379,679.24 is: 523,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,969.12 : 968,717.45 = 379,679.24 : x
  2. Step 2: Convert to fraction form
    701,969.12/968,717.45 = 379,679.24/x
  3. Step 3: Cross multiply
    701,969.12x = 968,717.45 × 379,679.24
  4. Step 4: Simplify right side
    701,969.12x = 367,801,901,296.35
  5. Step 5: Solve for x
    x = 367,801,901,296.35/701,969.12
  6. Step 6: Final answer
    x = 523,957.38

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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.