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Finding the Fourth Proportional to 344,998.88, 476,072.16 and 194,066.72

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Solution

The fourth proportional to 344,998.88, 476,072.16 and 194,066.72 is: 267,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,998.88 : 476,072.16 = 194,066.72 : x
  2. Step 2: Convert to fraction form
    344,998.88/476,072.16 = 194,066.72/x
  3. Step 3: Cross multiply
    344,998.88x = 476,072.16 × 194,066.72
  4. Step 4: Simplify right side
    344,998.88x = 92,389,762,574.52
  5. Step 5: Solve for x
    x = 92,389,762,574.52/344,998.88
  6. Step 6: Final answer
    x = 267,797.28

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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.