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Finding the Fourth Proportional to 533,422.60, 800,352.60 and 196,624.60

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Solution

The fourth proportional to 533,422.60, 800,352.60 and 196,624.60 is: 295,017.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,422.60 : 800,352.60 = 196,624.60 : x
  2. Step 2: Convert to fraction form
    533,422.60/800,352.60 = 196,624.60/x
  3. Step 3: Cross multiply
    533,422.60x = 800,352.60 × 196,624.60
  4. Step 4: Simplify right side
    533,422.60x = 157,369,009,833.96
  5. Step 5: Solve for x
    x = 157,369,009,833.96/533,422.60
  6. Step 6: Final answer
    x = 295,017.51

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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.