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Finding the Fourth Proportional to 358,088.84, 494,166.72 and 196,946.58

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Solution

The fourth proportional to 358,088.84, 494,166.72 and 196,946.58 is: 271,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,088.84 : 494,166.72 = 196,946.58 : x
  2. Step 2: Convert to fraction form
    358,088.84/494,166.72 = 196,946.58/x
  3. Step 3: Cross multiply
    358,088.84x = 494,166.72 × 196,946.58
  4. Step 4: Simplify right side
    358,088.84x = 97,324,445,453.82
  5. Step 5: Solve for x
    x = 97,324,445,453.82/358,088.84
  6. Step 6: Final answer
    x = 271,788.55

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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.