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Finding the Fourth Proportional to 297,308.80, 445,358.40 and 184,643.20

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Solution

The fourth proportional to 297,308.80, 445,358.40 and 184,643.20 is: 276,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,308.80 : 445,358.40 = 184,643.20 : x
  2. Step 2: Convert to fraction form
    297,308.80/445,358.40 = 184,643.20/x
  3. Step 3: Cross multiply
    297,308.80x = 445,358.40 × 184,643.20
  4. Step 4: Simplify right side
    297,308.80x = 82,232,400,122.88
  5. Step 5: Solve for x
    x = 82,232,400,122.88/297,308.80
  6. Step 6: Final answer
    x = 276,589.19

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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.