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Finding the Fourth Proportional to 335,843.60, 503,765.40 and 236,116.40

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Solution

The fourth proportional to 335,843.60, 503,765.40 and 236,116.40 is: 354,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,843.60 : 503,765.40 = 236,116.40 : x
  2. Step 2: Convert to fraction form
    335,843.60/503,765.40 = 236,116.40/x
  3. Step 3: Cross multiply
    335,843.60x = 503,765.40 × 236,116.40
  4. Step 4: Simplify right side
    335,843.60x = 118,947,272,692.56
  5. Step 5: Solve for x
    x = 118,947,272,692.56/335,843.60
  6. Step 6: Final answer
    x = 354,174.60

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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.