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Finding the Fourth Proportional to 416,374.46, 624,291.04 and 163,679.68

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Solution

The fourth proportional to 416,374.46, 624,291.04 and 163,679.68 is: 245,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,374.46 : 624,291.04 = 163,679.68 : x
  2. Step 2: Convert to fraction form
    416,374.46/624,291.04 = 163,679.68/x
  3. Step 3: Cross multiply
    416,374.46x = 624,291.04 × 163,679.68
  4. Step 4: Simplify right side
    416,374.46x = 102,183,757,654.07
  5. Step 5: Solve for x
    x = 102,183,757,654.07/416,374.46
  6. Step 6: Final answer
    x = 245,413.13

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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.