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Finding the Fourth Proportional to 442,635.44, 610,662.84 and 272,574.32

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Solution

The fourth proportional to 442,635.44, 610,662.84 and 272,574.32 is: 376,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,635.44 : 610,662.84 = 272,574.32 : x
  2. Step 2: Convert to fraction form
    442,635.44/610,662.84 = 272,574.32/x
  3. Step 3: Cross multiply
    442,635.44x = 610,662.84 × 272,574.32
  4. Step 4: Simplify right side
    442,635.44x = 166,451,008,362.27
  5. Step 5: Solve for x
    x = 166,451,008,362.27/442,635.44
  6. Step 6: Final answer
    x = 376,045.37

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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.