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Finding the Fourth Proportional to 422,297.72, 582,828.82 and 258,925.32

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Solution

The fourth proportional to 422,297.72, 582,828.82 and 258,925.32 is: 357,352.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,297.72 : 582,828.82 = 258,925.32 : x
  2. Step 2: Convert to fraction form
    422,297.72/582,828.82 = 258,925.32/x
  3. Step 3: Cross multiply
    422,297.72x = 582,828.82 × 258,925.32
  4. Step 4: Simplify right side
    422,297.72x = 150,909,138,723.72
  5. Step 5: Solve for x
    x = 150,909,138,723.72/422,297.72
  6. Step 6: Final answer
    x = 357,352.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.