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Finding the Fourth Proportional to 450,757.80, 676,399.32 and 170,296.92

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Solution

The fourth proportional to 450,757.80, 676,399.32 and 170,296.92 is: 255,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,757.80 : 676,399.32 = 170,296.92 : x
  2. Step 2: Convert to fraction form
    450,757.80/676,399.32 = 170,296.92/x
  3. Step 3: Cross multiply
    450,757.80x = 676,399.32 × 170,296.92
  4. Step 4: Simplify right side
    450,757.80x = 115,188,720,886.09
  5. Step 5: Solve for x
    x = 115,188,720,886.09/450,757.80
  6. Step 6: Final answer
    x = 255,544.60

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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.