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Finding the Fourth Proportional to 401,810, 554,523.72 and 222,962

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Solution

The fourth proportional to 401,810, 554,523.72 and 222,962 is: 307,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,810 : 554,523.72 = 222,962 : x
  2. Step 2: Convert to fraction form
    401,810/554,523.72 = 222,962/x
  3. Step 3: Cross multiply
    401,810x = 554,523.72 × 222,962
  4. Step 4: Simplify right side
    401,810x = 123,637,717,658.64
  5. Step 5: Solve for x
    x = 123,637,717,658.64/401,810
  6. Step 6: Final answer
    x = 307,701.94

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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.