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Finding the Fourth Proportional to 375,505.44, 563,253.27 and 91,198.32

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Solution

The fourth proportional to 375,505.44, 563,253.27 and 91,198.32 is: 136,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,505.44 : 563,253.27 = 91,198.32 : x
  2. Step 2: Convert to fraction form
    375,505.44/563,253.27 = 91,198.32/x
  3. Step 3: Cross multiply
    375,505.44x = 563,253.27 × 91,198.32
  4. Step 4: Simplify right side
    375,505.44x = 51,367,751,958.51
  5. Step 5: Solve for x
    x = 51,367,751,958.51/375,505.44
  6. Step 6: Final answer
    x = 136,796.29

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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.