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Finding the Fourth Proportional to 358,072.84, 494,129.04 and 196,927.39

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Solution

The fourth proportional to 358,072.84, 494,129.04 and 196,927.39 is: 271,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,072.84 : 494,129.04 = 196,927.39 : x
  2. Step 2: Convert to fraction form
    358,072.84/494,129.04 = 196,927.39/x
  3. Step 3: Cross multiply
    358,072.84x = 494,129.04 × 196,927.39
  4. Step 4: Simplify right side
    358,072.84x = 97,307,539,699.76
  5. Step 5: Solve for x
    x = 97,307,539,699.76/358,072.84
  6. Step 6: Final answer
    x = 271,753.48

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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.