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Finding the Fourth Proportional to 275,373.94, 379,307.96 and 194,662.66

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Solution

The fourth proportional to 275,373.94, 379,307.96 and 194,662.66 is: 268,133.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,373.94 : 379,307.96 = 194,662.66 : x
  2. Step 2: Convert to fraction form
    275,373.94/379,307.96 = 194,662.66/x
  3. Step 3: Cross multiply
    275,373.94x = 379,307.96 × 194,662.66
  4. Step 4: Simplify right side
    275,373.94x = 73,837,096,452.77
  5. Step 5: Solve for x
    x = 73,837,096,452.77/275,373.94
  6. Step 6: Final answer
    x = 268,133.93

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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.