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Finding the Fourth Proportional to 351,396.30, 484,921.02 and 190,250.04

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Solution

The fourth proportional to 351,396.30, 484,921.02 and 190,250.04 is: 262,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,396.30 : 484,921.02 = 190,250.04 : x
  2. Step 2: Convert to fraction form
    351,396.30/484,921.02 = 190,250.04/x
  3. Step 3: Cross multiply
    351,396.30x = 484,921.02 × 190,250.04
  4. Step 4: Simplify right side
    351,396.30x = 92,256,243,451.84
  5. Step 5: Solve for x
    x = 92,256,243,451.84/351,396.30
  6. Step 6: Final answer
    x = 262,541.87

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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.