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Finding the Fourth Proportional to 491,100.90, 736,601.40 and 154,144.14

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Solution

The fourth proportional to 491,100.90, 736,601.40 and 154,144.14 is: 231,200.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,100.90 : 736,601.40 = 154,144.14 : x
  2. Step 2: Convert to fraction form
    491,100.90/736,601.40 = 154,144.14/x
  3. Step 3: Cross multiply
    491,100.90x = 736,601.40 × 154,144.14
  4. Step 4: Simplify right side
    491,100.90x = 113,542,789,325.80
  5. Step 5: Solve for x
    x = 113,542,789,325.80/491,100.90
  6. Step 6: Final answer
    x = 231,200.53

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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.