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Finding the Fourth Proportional to 297,894.80, 446,701.80 and 108,221.40

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Solution

The fourth proportional to 297,894.80, 446,701.80 and 108,221.40 is: 162,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,894.80 : 446,701.80 = 108,221.40 : x
  2. Step 2: Convert to fraction form
    297,894.80/446,701.80 = 108,221.40/x
  3. Step 3: Cross multiply
    297,894.80x = 446,701.80 × 108,221.40
  4. Step 4: Simplify right side
    297,894.80x = 48,342,694,178.52
  5. Step 5: Solve for x
    x = 48,342,694,178.52/297,894.80
  6. Step 6: Final answer
    x = 162,281.09

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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.