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Finding the Fourth Proportional to 397,272.30, 595,908.45 and 184,039.80

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Solution

The fourth proportional to 397,272.30, 595,908.45 and 184,039.80 is: 276,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,272.30 : 595,908.45 = 184,039.80 : x
  2. Step 2: Convert to fraction form
    397,272.30/595,908.45 = 184,039.80/x
  3. Step 3: Cross multiply
    397,272.30x = 595,908.45 × 184,039.80
  4. Step 4: Simplify right side
    397,272.30x = 109,670,871,956.31
  5. Step 5: Solve for x
    x = 109,670,871,956.31/397,272.30
  6. Step 6: Final answer
    x = 276,059.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.