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Finding the Fourth Proportional to 373,871.43, 515,972.03 and 212,733.27

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Solution

The fourth proportional to 373,871.43, 515,972.03 and 212,733.27 is: 293,588.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,871.43 : 515,972.03 = 212,733.27 : x
  2. Step 2: Convert to fraction form
    373,871.43/515,972.03 = 212,733.27/x
  3. Step 3: Cross multiply
    373,871.43x = 515,972.03 × 212,733.27
  4. Step 4: Simplify right side
    373,871.43x = 109,764,416,106.77
  5. Step 5: Solve for x
    x = 109,764,416,106.77/373,871.43
  6. Step 6: Final answer
    x = 293,588.67

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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.