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Finding the Fourth Proportional to 601,245.72, 829,709.73 and 329,311.71

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Solution

The fourth proportional to 601,245.72, 829,709.73 and 329,311.71 is: 454,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,245.72 : 829,709.73 = 329,311.71 : x
  2. Step 2: Convert to fraction form
    601,245.72/829,709.73 = 329,311.71/x
  3. Step 3: Cross multiply
    601,245.72x = 829,709.73 × 329,311.71
  4. Step 4: Simplify right side
    601,245.72x = 273,233,129,989.94
  5. Step 5: Solve for x
    x = 273,233,129,989.94/601,245.72
  6. Step 6: Final answer
    x = 454,445.03

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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.