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Finding the Fourth Proportional to 329,944.50, 455,217.48 and 184,728.84

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Solution

The fourth proportional to 329,944.50, 455,217.48 and 184,728.84 is: 254,866.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,944.50 : 455,217.48 = 184,728.84 : x
  2. Step 2: Convert to fraction form
    329,944.50/455,217.48 = 184,728.84/x
  3. Step 3: Cross multiply
    329,944.50x = 455,217.48 × 184,728.84
  4. Step 4: Simplify right side
    329,944.50x = 84,091,797,028.12
  5. Step 5: Solve for x
    x = 84,091,797,028.12/329,944.50
  6. Step 6: Final answer
    x = 254,866.49

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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.