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Finding the Fourth Proportional to 436,168.40, 654,252.60 and 404,675.60

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Solution

The fourth proportional to 436,168.40, 654,252.60 and 404,675.60 is: 607,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,168.40 : 654,252.60 = 404,675.60 : x
  2. Step 2: Convert to fraction form
    436,168.40/654,252.60 = 404,675.60/x
  3. Step 3: Cross multiply
    436,168.40x = 654,252.60 × 404,675.60
  4. Step 4: Simplify right side
    436,168.40x = 264,760,063,456.56
  5. Step 5: Solve for x
    x = 264,760,063,456.56/436,168.40
  6. Step 6: Final answer
    x = 607,013.40

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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.