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Finding the Fourth Proportional to 422,043.94, 582,460.23 and 252,274.42

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Solution

The fourth proportional to 422,043.94, 582,460.23 and 252,274.42 is: 348,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,043.94 : 582,460.23 = 252,274.42 : x
  2. Step 2: Convert to fraction form
    422,043.94/582,460.23 = 252,274.42/x
  3. Step 3: Cross multiply
    422,043.94x = 582,460.23 × 252,274.42
  4. Step 4: Simplify right side
    422,043.94x = 146,939,816,696.32
  5. Step 5: Solve for x
    x = 146,939,816,696.32/422,043.94
  6. Step 6: Final answer
    x = 348,162.37

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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.