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Finding the Fourth Proportional to 350,148, 483,204.24 and 191,172

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Solution

The fourth proportional to 350,148, 483,204.24 and 191,172 is: 263,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,148 : 483,204.24 = 191,172 : x
  2. Step 2: Convert to fraction form
    350,148/483,204.24 = 191,172/x
  3. Step 3: Cross multiply
    350,148x = 483,204.24 × 191,172
  4. Step 4: Simplify right side
    350,148x = 92,375,120,969.28
  5. Step 5: Solve for x
    x = 92,375,120,969.28/350,148
  6. Step 6: Final answer
    x = 263,817.36

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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.