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Finding the Fourth Proportional to 297,007.60, 445,511.40 and 107,467.60

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Solution

The fourth proportional to 297,007.60, 445,511.40 and 107,467.60 is: 161,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,007.60 : 445,511.40 = 107,467.60 : x
  2. Step 2: Convert to fraction form
    297,007.60/445,511.40 = 107,467.60/x
  3. Step 3: Cross multiply
    297,007.60x = 445,511.40 × 107,467.60
  4. Step 4: Simplify right side
    297,007.60x = 47,878,040,930.64
  5. Step 5: Solve for x
    x = 47,878,040,930.64/297,007.60
  6. Step 6: Final answer
    x = 161,201.40

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1.5x scale

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.