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Finding the Fourth Proportional to 288,265.94, 397,776.83 and 167,383.67

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Solution

The fourth proportional to 288,265.94, 397,776.83 and 167,383.67 is: 230,971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,265.94 : 397,776.83 = 167,383.67 : x
  2. Step 2: Convert to fraction form
    288,265.94/397,776.83 = 167,383.67/x
  3. Step 3: Cross multiply
    288,265.94x = 397,776.83 × 167,383.67
  4. Step 4: Simplify right side
    288,265.94x = 66,581,342,820.56
  5. Step 5: Solve for x
    x = 66,581,342,820.56/288,265.94
  6. Step 6: Final answer
    x = 230,971.94

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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.