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Finding the Fourth Proportional to 235,672.58, 353,512.66 and 223,709.70

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Solution

The fourth proportional to 235,672.58, 353,512.66 and 223,709.70 is: 335,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,672.58 : 353,512.66 = 223,709.70 : x
  2. Step 2: Convert to fraction form
    235,672.58/353,512.66 = 223,709.70/x
  3. Step 3: Cross multiply
    235,672.58x = 353,512.66 × 223,709.70
  4. Step 4: Simplify right side
    235,672.58x = 79,084,211,114.80
  5. Step 5: Solve for x
    x = 79,084,211,114.80/235,672.58
  6. Step 6: Final answer
    x = 335,568.15

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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.