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Finding the Fourth Proportional to 356,437.22, 535,491.90 and 336,261.74

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Solution

The fourth proportional to 356,437.22, 535,491.90 and 336,261.74 is: 505,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,437.22 : 535,491.90 = 336,261.74 : x
  2. Step 2: Convert to fraction form
    356,437.22/535,491.90 = 336,261.74/x
  3. Step 3: Cross multiply
    356,437.22x = 535,491.90 × 336,261.74
  4. Step 4: Simplify right side
    356,437.22x = 180,065,438,049.91
  5. Step 5: Solve for x
    x = 180,065,438,049.91/356,437.22
  6. Step 6: Final answer
    x = 505,181.36

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