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Finding the Fourth Proportional to 333,840.80, 500,411.27 and 123,344.48

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Solution

The fourth proportional to 333,840.80, 500,411.27 and 123,344.48 is: 184,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,840.80 : 500,411.27 = 123,344.48 : x
  2. Step 2: Convert to fraction form
    333,840.80/500,411.27 = 123,344.48/x
  3. Step 3: Cross multiply
    333,840.80x = 500,411.27 × 123,344.48
  4. Step 4: Simplify right side
    333,840.80x = 61,722,965,690.59
  5. Step 5: Solve for x
    x = 61,722,965,690.59/333,840.80
  6. Step 6: Final answer
    x = 184,887.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.