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Finding the Fourth Proportional to 269,539.60, 403,774.80 and 236,297.20

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Solution

The fourth proportional to 269,539.60, 403,774.80 and 236,297.20 is: 353,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,539.60 : 403,774.80 = 236,297.20 : x
  2. Step 2: Convert to fraction form
    269,539.60/403,774.80 = 236,297.20/x
  3. Step 3: Cross multiply
    269,539.60x = 403,774.80 × 236,297.20
  4. Step 4: Simplify right side
    269,539.60x = 95,410,854,670.56
  5. Step 5: Solve for x
    x = 95,410,854,670.56/269,539.60
  6. Step 6: Final answer
    x = 353,977.13

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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.