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Finding the Fourth Proportional to 624,348.41, 861,508.41 and 366,127.90

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Solution

The fourth proportional to 624,348.41, 861,508.41 and 366,127.90 is: 505,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,348.41 : 861,508.41 = 366,127.90 : x
  2. Step 2: Convert to fraction form
    624,348.41/861,508.41 = 366,127.90/x
  3. Step 3: Cross multiply
    624,348.41x = 861,508.41 × 366,127.90
  4. Step 4: Simplify right side
    624,348.41x = 315,422,261,458.89
  5. Step 5: Solve for x
    x = 315,422,261,458.89/624,348.41
  6. Step 6: Final answer
    x = 505,202.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.