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Finding the Fourth Proportional to 349,084, 481,735.92 and 190,108

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Solution

The fourth proportional to 349,084, 481,735.92 and 190,108 is: 262,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,084 : 481,735.92 = 190,108 : x
  2. Step 2: Convert to fraction form
    349,084/481,735.92 = 190,108/x
  3. Step 3: Cross multiply
    349,084x = 481,735.92 × 190,108
  4. Step 4: Simplify right side
    349,084x = 91,581,852,279.36
  5. Step 5: Solve for x
    x = 91,581,852,279.36/349,084
  6. Step 6: Final answer
    x = 262,349.04

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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.