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Finding the Fourth Proportional to 335,765.30, 503,684.85 and 111,043.88

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Solution

The fourth proportional to 335,765.30, 503,684.85 and 111,043.88 is: 166,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,765.30 : 503,684.85 = 111,043.88 : x
  2. Step 2: Convert to fraction form
    335,765.30/503,684.85 = 111,043.88/x
  3. Step 3: Cross multiply
    335,765.30x = 503,684.85 × 111,043.88
  4. Step 4: Simplify right side
    335,765.30x = 55,931,117,522.79
  5. Step 5: Solve for x
    x = 55,931,117,522.79/335,765.30
  6. Step 6: Final answer
    x = 166,578.02

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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.