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Finding the Fourth Proportional to 362,902.60, 543,317.10 and 325,577.80

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Solution

The fourth proportional to 362,902.60, 543,317.10 and 325,577.80 is: 487,436.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,902.60 : 543,317.10 = 325,577.80 : x
  2. Step 2: Convert to fraction form
    362,902.60/543,317.10 = 325,577.80/x
  3. Step 3: Cross multiply
    362,902.60x = 543,317.10 × 325,577.80
  4. Step 4: Simplify right side
    362,902.60x = 176,891,986,120.38
  5. Step 5: Solve for x
    x = 176,891,986,120.38/362,902.60
  6. Step 6: Final answer
    x = 487,436.54

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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.