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Finding the Fourth Proportional to 554,413.54, 830,913.27 and 270,171.94

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Solution

The fourth proportional to 554,413.54, 830,913.27 and 270,171.94 is: 404,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,413.54 : 830,913.27 = 270,171.94 : x
  2. Step 2: Convert to fraction form
    554,413.54/830,913.27 = 270,171.94/x
  3. Step 3: Cross multiply
    554,413.54x = 830,913.27 × 270,171.94
  4. Step 4: Simplify right side
    554,413.54x = 224,489,450,127.64
  5. Step 5: Solve for x
    x = 224,489,450,127.64/554,413.54
  6. Step 6: Final answer
    x = 404,913.36

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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.