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Finding the Fourth Proportional to 589,413.51, 884,116.62 and 168,690.60

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Solution

The fourth proportional to 589,413.51, 884,116.62 and 168,690.60 is: 253,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,413.51 : 884,116.62 = 168,690.60 : x
  2. Step 2: Convert to fraction form
    589,413.51/884,116.62 = 168,690.60/x
  3. Step 3: Cross multiply
    589,413.51x = 884,116.62 × 168,690.60
  4. Step 4: Simplify right side
    589,413.51x = 149,142,163,097.77
  5. Step 5: Solve for x
    x = 149,142,163,097.77/589,413.51
  6. Step 6: Final answer
    x = 253,034.86

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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.