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Finding the Fourth Proportional to 349,033.81, 481,687.23 and 262,840.72

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Solution

The fourth proportional to 349,033.81, 481,687.23 and 262,840.72 is: 362,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,033.81 : 481,687.23 = 262,840.72 : x
  2. Step 2: Convert to fraction form
    349,033.81/481,687.23 = 262,840.72/x
  3. Step 3: Cross multiply
    349,033.81x = 481,687.23 × 262,840.72
  4. Step 4: Simplify right side
    349,033.81x = 126,607,014,625.37
  5. Step 5: Solve for x
    x = 126,607,014,625.37/349,033.81
  6. Step 6: Final answer
    x = 362,735.68

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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.