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Finding the Fourth Proportional to 358,161.35, 494,263.82 and 197,028.65

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Solution

The fourth proportional to 358,161.35, 494,263.82 and 197,028.65 is: 271,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,161.35 : 494,263.82 = 197,028.65 : x
  2. Step 2: Convert to fraction form
    358,161.35/494,263.82 = 197,028.65/x
  3. Step 3: Cross multiply
    358,161.35x = 494,263.82 × 197,028.65
  4. Step 4: Simplify right side
    358,161.35x = 97,384,134,926.67
  5. Step 5: Solve for x
    x = 97,384,134,926.67/358,161.35
  6. Step 6: Final answer
    x = 271,900.18

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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.