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Finding the Fourth Proportional to 358,536.35, 494,770.55 and 197,392.61

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Solution

The fourth proportional to 358,536.35, 494,770.55 and 197,392.61 is: 272,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,536.35 : 494,770.55 = 197,392.61 : x
  2. Step 2: Convert to fraction form
    358,536.35/494,770.55 = 197,392.61/x
  3. Step 3: Cross multiply
    358,536.35x = 494,770.55 × 197,392.61
  4. Step 4: Simplify right side
    358,536.35x = 97,664,046,754.82
  5. Step 5: Solve for x
    x = 97,664,046,754.82/358,536.35
  6. Step 6: Final answer
    x = 272,396.50

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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.