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Finding the Fourth Proportional to 340,895.44, 511,293.95 and 104,174.56

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Solution

The fourth proportional to 340,895.44, 511,293.95 and 104,174.56 is: 156,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,895.44 : 511,293.95 = 104,174.56 : x
  2. Step 2: Convert to fraction form
    340,895.44/511,293.95 = 104,174.56/x
  3. Step 3: Cross multiply
    340,895.44x = 511,293.95 × 104,174.56
  4. Step 4: Simplify right side
    340,895.44x = 53,263,819,611.79
  5. Step 5: Solve for x
    x = 53,263,819,611.79/340,895.44
  6. Step 6: Final answer
    x = 156,246.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.