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Finding the Fourth Proportional to 480,297.56, 662,792.14 and 276,413.97

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Solution

The fourth proportional to 480,297.56, 662,792.14 and 276,413.97 is: 381,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,297.56 : 662,792.14 = 276,413.97 : x
  2. Step 2: Convert to fraction form
    480,297.56/662,792.14 = 276,413.97/x
  3. Step 3: Cross multiply
    480,297.56x = 662,792.14 × 276,413.97
  4. Step 4: Simplify right side
    480,297.56x = 183,205,006,702.20
  5. Step 5: Solve for x
    x = 183,205,006,702.20/480,297.56
  6. Step 6: Final answer
    x = 381,440.64

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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.