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Finding the Fourth Proportional to 347,181.83, 479,088.31 and 194,193.49

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Solution

The fourth proportional to 347,181.83, 479,088.31 and 194,193.49 is: 267,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,181.83 : 479,088.31 = 194,193.49 : x
  2. Step 2: Convert to fraction form
    347,181.83/479,088.31 = 194,193.49/x
  3. Step 3: Cross multiply
    347,181.83x = 479,088.31 × 194,193.49
  4. Step 4: Simplify right side
    347,181.83x = 93,035,827,570.69
  5. Step 5: Solve for x
    x = 93,035,827,570.69/347,181.83
  6. Step 6: Final answer
    x = 267,974.36

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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.