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Finding the Fourth Proportional to 297,911.10, 446,866.65 and 203,432.70

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Solution

The fourth proportional to 297,911.10, 446,866.65 and 203,432.70 is: 305,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,911.10 : 446,866.65 = 203,432.70 : x
  2. Step 2: Convert to fraction form
    297,911.10/446,866.65 = 203,432.70/x
  3. Step 3: Cross multiply
    297,911.10x = 446,866.65 × 203,432.70
  4. Step 4: Simplify right side
    297,911.10x = 90,907,289,149.46
  5. Step 5: Solve for x
    x = 90,907,289,149.46/297,911.10
  6. Step 6: Final answer
    x = 305,149.05

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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.