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Finding the Fourth Proportional to 345,662.64, 477,043.02 and 192,680.17

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Solution

The fourth proportional to 345,662.64, 477,043.02 and 192,680.17 is: 265,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,662.64 : 477,043.02 = 192,680.17 : x
  2. Step 2: Convert to fraction form
    345,662.64/477,043.02 = 192,680.17/x
  3. Step 3: Cross multiply
    345,662.64x = 477,043.02 × 192,680.17
  4. Step 4: Simplify right side
    345,662.64x = 91,916,728,998.31
  5. Step 5: Solve for x
    x = 91,916,728,998.31/345,662.64
  6. Step 6: Final answer
    x = 265,914.56

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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.