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Finding the Fourth Proportional to 297,098.96, 445,647.48 and 75,482.96

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Solution

The fourth proportional to 297,098.96, 445,647.48 and 75,482.96 is: 113,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,098.96 : 445,647.48 = 75,482.96 : x
  2. Step 2: Convert to fraction form
    297,098.96/445,647.48 = 75,482.96/x
  3. Step 3: Cross multiply
    297,098.96x = 445,647.48 × 75,482.96
  4. Step 4: Simplify right side
    297,098.96x = 33,638,790,906.94
  5. Step 5: Solve for x
    x = 33,638,790,906.94/297,098.96
  6. Step 6: Final answer
    x = 113,224.20

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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.