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Finding the Fourth Proportional to 269,647.36, 404,526.39 and 80,090.84

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Solution

The fourth proportional to 269,647.36, 404,526.39 and 80,090.84 is: 120,152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,647.36 : 404,526.39 = 80,090.84 : x
  2. Step 2: Convert to fraction form
    269,647.36/404,526.39 = 80,090.84/x
  3. Step 3: Cross multiply
    269,647.36x = 404,526.39 × 80,090.84
  4. Step 4: Simplify right side
    269,647.36x = 32,398,860,279.42
  5. Step 5: Solve for x
    x = 32,398,860,279.42/269,647.36
  6. Step 6: Final answer
    x = 120,152.71

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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.