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Finding the Fourth Proportional to 297,930.40, 446,895.60 and 295,856.80

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Solution

The fourth proportional to 297,930.40, 446,895.60 and 295,856.80 is: 443,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,930.40 : 446,895.60 = 295,856.80 : x
  2. Step 2: Convert to fraction form
    297,930.40/446,895.60 = 295,856.80/x
  3. Step 3: Cross multiply
    297,930.40x = 446,895.60 × 295,856.80
  4. Step 4: Simplify right side
    297,930.40x = 132,217,102,150.08
  5. Step 5: Solve for x
    x = 132,217,102,150.08/297,930.40
  6. Step 6: Final answer
    x = 443,785.20

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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.