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Finding the Fourth Proportional to 331,370.87, 457,297.89 and 184,209.57

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Solution

The fourth proportional to 331,370.87, 457,297.89 and 184,209.57 is: 254,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,370.87 : 457,297.89 = 184,209.57 : x
  2. Step 2: Convert to fraction form
    331,370.87/457,297.89 = 184,209.57/x
  3. Step 3: Cross multiply
    331,370.87x = 457,297.89 × 184,209.57
  4. Step 4: Simplify right side
    331,370.87x = 84,238,646,757.76
  5. Step 5: Solve for x
    x = 84,238,646,757.76/331,370.87
  6. Step 6: Final answer
    x = 254,212.59

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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.