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Finding the Fourth Proportional to 358,014.59, 494,072.81 and 196,881.89

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Solution

The fourth proportional to 358,014.59, 494,072.81 and 196,881.89 is: 271,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,014.59 : 494,072.81 = 196,881.89 : x
  2. Step 2: Convert to fraction form
    358,014.59/494,072.81 = 196,881.89/x
  3. Step 3: Cross multiply
    358,014.59x = 494,072.81 × 196,881.89
  4. Step 4: Simplify right side
    358,014.59x = 97,273,988,630.41
  5. Step 5: Solve for x
    x = 97,273,988,630.41/358,014.59
  6. Step 6: Final answer
    x = 271,703.98

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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.