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Finding the Fourth Proportional to 297,069.59, 445,679.04 and 137,258.62

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Solution

The fourth proportional to 297,069.59, 445,679.04 and 137,258.62 is: 205,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,069.59 : 445,679.04 = 137,258.62 : x
  2. Step 2: Convert to fraction form
    297,069.59/445,679.04 = 137,258.62/x
  3. Step 3: Cross multiply
    297,069.59x = 445,679.04 × 137,258.62
  4. Step 4: Simplify right side
    297,069.59x = 61,173,289,393.85
  5. Step 5: Solve for x
    x = 61,173,289,393.85/297,069.59
  6. Step 6: Final answer
    x = 205,922.42

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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.