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Finding the Fourth Proportional to 404,301.28, 605,663.88 and 246,137.44

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Solution

The fourth proportional to 404,301.28, 605,663.88 and 246,137.44 is: 368,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,301.28 : 605,663.88 = 246,137.44 : x
  2. Step 2: Convert to fraction form
    404,301.28/605,663.88 = 246,137.44/x
  3. Step 3: Cross multiply
    404,301.28x = 605,663.88 × 246,137.44
  4. Step 4: Simplify right side
    404,301.28x = 149,076,556,923.67
  5. Step 5: Solve for x
    x = 149,076,556,923.67/404,301.28
  6. Step 6: Final answer
    x = 368,726.40

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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.