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Finding the Fourth Proportional to 399,797.16, 551,751.48 and 227,722.38

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Solution

The fourth proportional to 399,797.16, 551,751.48 and 227,722.38 is: 314,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,797.16 : 551,751.48 = 227,722.38 : x
  2. Step 2: Convert to fraction form
    399,797.16/551,751.48 = 227,722.38/x
  3. Step 3: Cross multiply
    399,797.16x = 551,751.48 × 227,722.38
  4. Step 4: Simplify right side
    399,797.16x = 125,646,160,194.12
  5. Step 5: Solve for x
    x = 125,646,160,194.12/399,797.16
  6. Step 6: Final answer
    x = 314,274.77

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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.