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Finding the Fourth Proportional to 297,115.80, 445,068.90 and 184,450.20

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Solution

The fourth proportional to 297,115.80, 445,068.90 and 184,450.20 is: 276,299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,115.80 : 445,068.90 = 184,450.20 : x
  2. Step 2: Convert to fraction form
    297,115.80/445,068.90 = 184,450.20/x
  3. Step 3: Cross multiply
    297,115.80x = 445,068.90 × 184,450.20
  4. Step 4: Simplify right side
    297,115.80x = 82,093,047,618.78
  5. Step 5: Solve for x
    x = 82,093,047,618.78/297,115.80
  6. Step 6: Final answer
    x = 276,299.84

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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.