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Finding the Fourth Proportional to 536,447.60, 804,768.60 and 269,536.40

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Solution

The fourth proportional to 536,447.60, 804,768.60 and 269,536.40 is: 404,353.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,447.60 : 804,768.60 = 269,536.40 : x
  2. Step 2: Convert to fraction form
    536,447.60/804,768.60 = 269,536.40/x
  3. Step 3: Cross multiply
    536,447.60x = 804,768.60 × 269,536.40
  4. Step 4: Simplify right side
    536,447.60x = 216,914,431,277.04
  5. Step 5: Solve for x
    x = 216,914,431,277.04/536,447.60
  6. Step 6: Final answer
    x = 404,353.44

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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.