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Finding the Fourth Proportional to 297,898.83, 446,596.52 and 129,291.66

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Solution

The fourth proportional to 297,898.83, 446,596.52 and 129,291.66 is: 193,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,898.83 : 446,596.52 = 129,291.66 : x
  2. Step 2: Convert to fraction form
    297,898.83/446,596.52 = 129,291.66/x
  3. Step 3: Cross multiply
    297,898.83x = 446,596.52 × 129,291.66
  4. Step 4: Simplify right side
    297,898.83x = 57,741,204,774.56
  5. Step 5: Solve for x
    x = 57,741,204,774.56/297,898.83
  6. Step 6: Final answer
    x = 193,828.24

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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.