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Finding the Fourth Proportional to 399,066.44, 550,729.58 and 224,696.64

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Solution

The fourth proportional to 399,066.44, 550,729.58 and 224,696.64 is: 310,091.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,066.44 : 550,729.58 = 224,696.64 : x
  2. Step 2: Convert to fraction form
    399,066.44/550,729.58 = 224,696.64/x
  3. Step 3: Cross multiply
    399,066.44x = 550,729.58 × 224,696.64
  4. Step 4: Simplify right side
    399,066.44x = 123,747,085,051.13
  5. Step 5: Solve for x
    x = 123,747,085,051.13/399,066.44
  6. Step 6: Final answer
    x = 310,091.44

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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.