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Finding the Fourth Proportional to 362,982.60, 543,437.10 and 325,657.80

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Solution

The fourth proportional to 362,982.60, 543,437.10 and 325,657.80 is: 487,556.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,982.60 : 543,437.10 = 325,657.80 : x
  2. Step 2: Convert to fraction form
    362,982.60/543,437.10 = 325,657.80/x
  3. Step 3: Cross multiply
    362,982.60x = 543,437.10 × 325,657.80
  4. Step 4: Simplify right side
    362,982.60x = 176,974,530,424.38
  5. Step 5: Solve for x
    x = 176,974,530,424.38/362,982.60
  6. Step 6: Final answer
    x = 487,556.51

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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.