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Finding the Fourth Proportional to 701,903.36, 968,626.62 and 379,613.45

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Solution

The fourth proportional to 701,903.36, 968,626.62 and 379,613.45 is: 523,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,903.36 : 968,626.62 = 379,613.45 : x
  2. Step 2: Convert to fraction form
    701,903.36/968,626.62 = 379,613.45/x
  3. Step 3: Cross multiply
    701,903.36x = 968,626.62 × 379,613.45
  4. Step 4: Simplify right side
    701,903.36x = 367,703,695,401.61
  5. Step 5: Solve for x
    x = 367,703,695,401.61/701,903.36
  6. Step 6: Final answer
    x = 523,866.56

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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.