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Finding the Fourth Proportional to 351,340.54, 484,849.40 and 190,195.54

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Solution

The fourth proportional to 351,340.54, 484,849.40 and 190,195.54 is: 262,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,340.54 : 484,849.40 = 190,195.54 : x
  2. Step 2: Convert to fraction form
    351,340.54/484,849.40 = 190,195.54/x
  3. Step 3: Cross multiply
    351,340.54x = 484,849.40 × 190,195.54
  4. Step 4: Simplify right side
    351,340.54x = 92,216,194,015.85
  5. Step 5: Solve for x
    x = 92,216,194,015.85/351,340.54
  6. Step 6: Final answer
    x = 262,469.55

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1.5x scale

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.