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Finding the Fourth Proportional to 482,413.49, 665,771.50 and 267,622.75

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Solution

The fourth proportional to 482,413.49, 665,771.50 and 267,622.75 is: 369,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,413.49 : 665,771.50 = 267,622.75 : x
  2. Step 2: Convert to fraction form
    482,413.49/665,771.50 = 267,622.75/x
  3. Step 3: Cross multiply
    482,413.49x = 665,771.50 × 267,622.75
  4. Step 4: Simplify right side
    482,413.49x = 178,175,599,701.63
  5. Step 5: Solve for x
    x = 178,175,599,701.63/482,413.49
  6. Step 6: Final answer
    x = 369,342.08

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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.