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Finding the Fourth Proportional to 532,811.25, 799,611.35 and 252,329.31

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Solution

The fourth proportional to 532,811.25, 799,611.35 and 252,329.31 is: 378,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,811.25 : 799,611.35 = 252,329.31 : x
  2. Step 2: Convert to fraction form
    532,811.25/799,611.35 = 252,329.31/x
  3. Step 3: Cross multiply
    532,811.25x = 799,611.35 × 252,329.31
  4. Step 4: Simplify right side
    532,811.25x = 201,765,378,952.02
  5. Step 5: Solve for x
    x = 201,765,378,952.02/532,811.25
  6. Step 6: Final answer
    x = 378,680.78

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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.