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Finding the Fourth Proportional to 297,641.80, 446,073.90 and 120,003.40

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Solution

The fourth proportional to 297,641.80, 446,073.90 and 120,003.40 is: 179,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,641.80 : 446,073.90 = 120,003.40 : x
  2. Step 2: Convert to fraction form
    297,641.80/446,073.90 = 120,003.40/x
  3. Step 3: Cross multiply
    297,641.80x = 446,073.90 × 120,003.40
  4. Step 4: Simplify right side
    297,641.80x = 53,530,384,651.26
  5. Step 5: Solve for x
    x = 53,530,384,651.26/297,641.80
  6. Step 6: Final answer
    x = 179,848.34

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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.