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Finding the Fourth Proportional to 297,309.80, 445,359.90 and 184,644.20

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Solution

The fourth proportional to 297,309.80, 445,359.90 and 184,644.20 is: 276,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,309.80 : 445,359.90 = 184,644.20 : x
  2. Step 2: Convert to fraction form
    297,309.80/445,359.90 = 184,644.20/x
  3. Step 3: Cross multiply
    297,309.80x = 445,359.90 × 184,644.20
  4. Step 4: Simplify right side
    297,309.80x = 82,233,122,447.58
  5. Step 5: Solve for x
    x = 82,233,122,447.58/297,309.80
  6. Step 6: Final answer
    x = 276,590.69

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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.