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Finding the Fourth Proportional to 235,458.50, 353,187.32 and 193,736.75

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Solution

The fourth proportional to 235,458.50, 353,187.32 and 193,736.75 is: 290,604.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,458.50 : 353,187.32 = 193,736.75 : x
  2. Step 2: Convert to fraction form
    235,458.50/353,187.32 = 193,736.75/x
  3. Step 3: Cross multiply
    235,458.50x = 353,187.32 × 193,736.75
  4. Step 4: Simplify right side
    235,458.50x = 68,425,360,783.39
  5. Step 5: Solve for x
    x = 68,425,360,783.39/235,458.50
  6. Step 6: Final answer
    x = 290,604.77

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1.5x scale

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.