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Finding the Fourth Proportional to 269,369.48, 404,015.34 and 82,330.76

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Solution

The fourth proportional to 269,369.48, 404,015.34 and 82,330.76 is: 123,484.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,369.48 : 404,015.34 = 82,330.76 : x
  2. Step 2: Convert to fraction form
    269,369.48/404,015.34 = 82,330.76/x
  3. Step 3: Cross multiply
    269,369.48x = 404,015.34 × 82,330.76
  4. Step 4: Simplify right side
    269,369.48x = 33,262,889,993.86
  5. Step 5: Solve for x
    x = 33,262,889,993.86/269,369.48
  6. Step 6: Final answer
    x = 123,484.26

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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.