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Finding the Fourth Proportional to 343,857.69, 474,525.52 and 190,893.44

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Solution

The fourth proportional to 343,857.69, 474,525.52 and 190,893.44 is: 263,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,857.69 : 474,525.52 = 190,893.44 : x
  2. Step 2: Convert to fraction form
    343,857.69/474,525.52 = 190,893.44/x
  3. Step 3: Cross multiply
    343,857.69x = 474,525.52 × 190,893.44
  4. Step 4: Simplify right side
    343,857.69x = 90,583,809,589.67
  5. Step 5: Solve for x
    x = 90,583,809,589.67/343,857.69
  6. Step 6: Final answer
    x = 263,434.01

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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.