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Finding the Fourth Proportional to 384,067.44, 576,186.48 and 147,410.28

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Solution

The fourth proportional to 384,067.44, 576,186.48 and 147,410.28 is: 221,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,067.44 : 576,186.48 = 147,410.28 : x
  2. Step 2: Convert to fraction form
    384,067.44/576,186.48 = 147,410.28/x
  3. Step 3: Cross multiply
    384,067.44x = 576,186.48 × 147,410.28
  4. Step 4: Simplify right side
    384,067.44x = 84,935,810,349.01
  5. Step 5: Solve for x
    x = 84,935,810,349.01/384,067.44
  6. Step 6: Final answer
    x = 221,148.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.