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Finding the Fourth Proportional to 401,337.36, 553,870.44 and 222,489.36

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Solution

The fourth proportional to 401,337.36, 553,870.44 and 222,489.36 is: 307,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,337.36 : 553,870.44 = 222,489.36 : x
  2. Step 2: Convert to fraction form
    401,337.36/553,870.44 = 222,489.36/x
  3. Step 3: Cross multiply
    401,337.36x = 553,870.44 × 222,489.36
  4. Step 4: Simplify right side
    401,337.36x = 123,230,279,718.52
  5. Step 5: Solve for x
    x = 123,230,279,718.52/401,337.36
  6. Step 6: Final answer
    x = 307,049.11

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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.