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Finding the Fourth Proportional to 965,797.20, 1,447,529.40 and 492,238.80

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Solution

The fourth proportional to 965,797.20, 1,447,529.40 and 492,238.80 is: 737,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,797.20 : 1,447,529.40 = 492,238.80 : x
  2. Step 2: Convert to fraction form
    965,797.20/1,447,529.40 = 492,238.80/x
  3. Step 3: Cross multiply
    965,797.20x = 1,447,529.40 × 492,238.80
  4. Step 4: Simplify right side
    965,797.20x = 712,530,134,820.72
  5. Step 5: Solve for x
    x = 712,530,134,820.72/965,797.20
  6. Step 6: Final answer
    x = 737,763.72

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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.