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Finding the Fourth Proportional to 351,391.88, 484,921.08 and 190,247.04

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Solution

The fourth proportional to 351,391.88, 484,921.08 and 190,247.04 is: 262,541.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,391.88 : 484,921.08 = 190,247.04 : x
  2. Step 2: Convert to fraction form
    351,391.88/484,921.08 = 190,247.04/x
  3. Step 3: Cross multiply
    351,391.88x = 484,921.08 × 190,247.04
  4. Step 4: Simplify right side
    351,391.88x = 92,254,800,103.60
  5. Step 5: Solve for x
    x = 92,254,800,103.60/351,391.88
  6. Step 6: Final answer
    x = 262,541.07

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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.