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Finding the Fourth Proportional to 422,045.94, 582,462.99 and 252,276.42

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Solution

The fourth proportional to 422,045.94, 582,462.99 and 252,276.42 is: 348,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,045.94 : 582,462.99 = 252,276.42 : x
  2. Step 2: Convert to fraction form
    422,045.94/582,462.99 = 252,276.42/x
  3. Step 3: Cross multiply
    422,045.94x = 582,462.99 × 252,276.42
  4. Step 4: Simplify right side
    422,045.94x = 146,941,677,899.70
  5. Step 5: Solve for x
    x = 146,941,677,899.70/422,045.94
  6. Step 6: Final answer
    x = 348,165.13

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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.