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Finding the Fourth Proportional to 504,023.80, 756,381.30 and 223,742.20

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Solution

The fourth proportional to 504,023.80, 756,381.30 and 223,742.20 is: 335,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,023.80 : 756,381.30 = 223,742.20 : x
  2. Step 2: Convert to fraction form
    504,023.80/756,381.30 = 223,742.20/x
  3. Step 3: Cross multiply
    504,023.80x = 756,381.30 × 223,742.20
  4. Step 4: Simplify right side
    504,023.80x = 169,234,416,100.86
  5. Step 5: Solve for x
    x = 169,234,416,100.86/504,023.80
  6. Step 6: Final answer
    x = 335,766.72

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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.