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Finding the Fourth Proportional to 619,002.84, 928,466.04 and 219,591

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Solution

The fourth proportional to 619,002.84, 928,466.04 and 219,591 is: 329,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,002.84 : 928,466.04 = 219,591 : x
  2. Step 2: Convert to fraction form
    619,002.84/928,466.04 = 219,591/x
  3. Step 3: Cross multiply
    619,002.84x = 928,466.04 × 219,591
  4. Step 4: Simplify right side
    619,002.84x = 203,882,786,189.64
  5. Step 5: Solve for x
    x = 203,882,786,189.64/619,002.84
  6. Step 6: Final answer
    x = 329,372.94

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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.