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Finding the Fourth Proportional to 297,309.30, 445,359.15 and 184,643.70

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Solution

The fourth proportional to 297,309.30, 445,359.15 and 184,643.70 is: 276,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,309.30 : 445,359.15 = 184,643.70 : x
  2. Step 2: Convert to fraction form
    297,309.30/445,359.15 = 184,643.70/x
  3. Step 3: Cross multiply
    297,309.30x = 445,359.15 × 184,643.70
  4. Step 4: Simplify right side
    297,309.30x = 82,232,761,284.86
  5. Step 5: Solve for x
    x = 82,232,761,284.86/297,309.30
  6. Step 6: Final answer
    x = 276,589.94

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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.