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Finding the Fourth Proportional to 547,980.15, 822,052.03 and 168,869.37

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Solution

The fourth proportional to 547,980.15, 822,052.03 and 168,869.37 is: 253,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,980.15 : 822,052.03 = 168,869.37 : x
  2. Step 2: Convert to fraction form
    547,980.15/822,052.03 = 168,869.37/x
  3. Step 3: Cross multiply
    547,980.15x = 822,052.03 × 168,869.37
  4. Step 4: Simplify right side
    547,980.15x = 138,819,408,413.32
  5. Step 5: Solve for x
    x = 138,819,408,413.32/547,980.15
  6. Step 6: Final answer
    x = 253,329.26

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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.