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Finding the Fourth Proportional to 297,006.90, 445,145.85 and 202,236.90

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Solution

The fourth proportional to 297,006.90, 445,145.85 and 202,236.90 is: 303,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,006.90 : 445,145.85 = 202,236.90 : x
  2. Step 2: Convert to fraction form
    297,006.90/445,145.85 = 202,236.90/x
  3. Step 3: Cross multiply
    297,006.90x = 445,145.85 × 202,236.90
  4. Step 4: Simplify right side
    297,006.90x = 90,024,916,751.87
  5. Step 5: Solve for x
    x = 90,024,916,751.87/297,006.90
  6. Step 6: Final answer
    x = 303,107.16

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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.