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Finding the Fourth Proportional to 358,058.87, 494,111.37 and 196,913.92

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Solution

The fourth proportional to 358,058.87, 494,111.37 and 196,913.92 is: 271,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,058.87 : 494,111.37 = 196,913.92 : x
  2. Step 2: Convert to fraction form
    358,058.87/494,111.37 = 196,913.92/x
  3. Step 3: Cross multiply
    358,058.87x = 494,111.37 × 196,913.92
  4. Step 4: Simplify right side
    358,058.87x = 97,297,404,312.71
  5. Step 5: Solve for x
    x = 97,297,404,312.71/358,058.87
  6. Step 6: Final answer
    x = 271,735.77

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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.