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Finding the Fourth Proportional to 358,603.77, 494,863.51 and 205,667.67

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Solution

The fourth proportional to 358,603.77, 494,863.51 and 205,667.67 is: 283,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,603.77 : 494,863.51 = 205,667.67 : x
  2. Step 2: Convert to fraction form
    358,603.77/494,863.51 = 205,667.67/x
  3. Step 3: Cross multiply
    358,603.77x = 494,863.51 × 205,667.67
  4. Step 4: Simplify right side
    358,603.77x = 101,777,425,069.72
  5. Step 5: Solve for x
    x = 101,777,425,069.72/358,603.77
  6. Step 6: Final answer
    x = 283,815.83

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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.