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Finding the Fourth Proportional to 450,433.06, 675,754.72 and 130,591.60

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Solution

The fourth proportional to 450,433.06, 675,754.72 and 130,591.60 is: 195,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,433.06 : 675,754.72 = 130,591.60 : x
  2. Step 2: Convert to fraction form
    450,433.06/675,754.72 = 130,591.60/x
  3. Step 3: Cross multiply
    450,433.06x = 675,754.72 × 130,591.60
  4. Step 4: Simplify right side
    450,433.06x = 88,247,890,092.35
  5. Step 5: Solve for x
    x = 88,247,890,092.35/450,433.06
  6. Step 6: Final answer
    x = 195,917.88

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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.