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Finding the Fourth Proportional to 327,630.89, 452,145.18 and 184,400.21

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Solution

The fourth proportional to 327,630.89, 452,145.18 and 184,400.21 is: 254,480.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,630.89 : 452,145.18 = 184,400.21 : x
  2. Step 2: Convert to fraction form
    327,630.89/452,145.18 = 184,400.21/x
  3. Step 3: Cross multiply
    327,630.89x = 452,145.18 × 184,400.21
  4. Step 4: Simplify right side
    327,630.89x = 83,375,666,142.49
  5. Step 5: Solve for x
    x = 83,375,666,142.49/327,630.89
  6. Step 6: Final answer
    x = 254,480.48

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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.