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Finding the Fourth Proportional to 349,051.65, 481,662.88 and 196,081.53

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Solution

The fourth proportional to 349,051.65, 481,662.88 and 196,081.53 is: 270,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,051.65 : 481,662.88 = 196,081.53 : x
  2. Step 2: Convert to fraction form
    349,051.65/481,662.88 = 196,081.53/x
  3. Step 3: Cross multiply
    349,051.65x = 481,662.88 × 196,081.53
  4. Step 4: Simplify right side
    349,051.65x = 94,445,194,454.61
  5. Step 5: Solve for x
    x = 94,445,194,454.61/349,051.65
  6. Step 6: Final answer
    x = 270,576.56

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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.