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Finding the Fourth Proportional to 650,825.60, 974,556.23 and 449,043.87

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Solution

The fourth proportional to 650,825.60, 974,556.23 and 449,043.87 is: 672,405.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,825.60 : 974,556.23 = 449,043.87 : x
  2. Step 2: Convert to fraction form
    650,825.60/974,556.23 = 449,043.87/x
  3. Step 3: Cross multiply
    650,825.60x = 974,556.23 × 449,043.87
  4. Step 4: Simplify right side
    650,825.60x = 437,618,498,806.59
  5. Step 5: Solve for x
    x = 437,618,498,806.59/650,825.60
  6. Step 6: Final answer
    x = 672,405.18

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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.