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Finding the Fourth Proportional to 652,268.16, 980,268.48 and 320,077.44

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Solution

The fourth proportional to 652,268.16, 980,268.48 and 320,077.44 is: 481,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,268.16 : 980,268.48 = 320,077.44 : x
  2. Step 2: Convert to fraction form
    652,268.16/980,268.48 = 320,077.44/x
  3. Step 3: Cross multiply
    652,268.16x = 980,268.48 × 320,077.44
  4. Step 4: Simplify right side
    652,268.16x = 313,761,825,591.09
  5. Step 5: Solve for x
    x = 313,761,825,591.09/652,268.16
  6. Step 6: Final answer
    x = 481,031.95

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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.