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Finding the Fourth Proportional to 270,701.69, 373,608.36 and 155,958.48

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Solution

The fourth proportional to 270,701.69, 373,608.36 and 155,958.48 is: 215,245.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,701.69 : 373,608.36 = 155,958.48 : x
  2. Step 2: Convert to fraction form
    270,701.69/373,608.36 = 155,958.48/x
  3. Step 3: Cross multiply
    270,701.69x = 373,608.36 × 155,958.48
  4. Step 4: Simplify right side
    270,701.69x = 58,267,391,940.89
  5. Step 5: Solve for x
    x = 58,267,391,940.89/270,701.69
  6. Step 6: Final answer
    x = 215,245.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.