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Finding the Fourth Proportional to 269,238.60, 403,080.30 and 164,262.60

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Solution

The fourth proportional to 269,238.60, 403,080.30 and 164,262.60 is: 245,919.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,238.60 : 403,080.30 = 164,262.60 : x
  2. Step 2: Convert to fraction form
    269,238.60/403,080.30 = 164,262.60/x
  3. Step 3: Cross multiply
    269,238.60x = 403,080.30 × 164,262.60
  4. Step 4: Simplify right side
    269,238.60x = 66,211,018,086.78
  5. Step 5: Solve for x
    x = 66,211,018,086.78/269,238.60
  6. Step 6: Final answer
    x = 245,919.49

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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.