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Finding the Fourth Proportional to 664,296.60, 996,282.90 and 190,932.60

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Solution

The fourth proportional to 664,296.60, 996,282.90 and 190,932.60 is: 286,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,296.60 : 996,282.90 = 190,932.60 : x
  2. Step 2: Convert to fraction form
    664,296.60/996,282.90 = 190,932.60/x
  3. Step 3: Cross multiply
    664,296.60x = 996,282.90 × 190,932.60
  4. Step 4: Simplify right side
    664,296.60x = 190,222,884,432.54
  5. Step 5: Solve for x
    x = 190,222,884,432.54/664,296.60
  6. Step 6: Final answer
    x = 286,352.34

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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.