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Finding the Fourth Proportional to 351,694.23, 485,338.46 and 190,549.23

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Solution

The fourth proportional to 351,694.23, 485,338.46 and 190,549.23 is: 262,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,694.23 : 485,338.46 = 190,549.23 : x
  2. Step 2: Convert to fraction form
    351,694.23/485,338.46 = 190,549.23/x
  3. Step 3: Cross multiply
    351,694.23x = 485,338.46 × 190,549.23
  4. Step 4: Simplify right side
    351,694.23x = 92,480,868,889.64
  5. Step 5: Solve for x
    x = 92,480,868,889.64/351,694.23
  6. Step 6: Final answer
    x = 262,958.16

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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.