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Finding the Fourth Proportional to 294,578.40, 441,867.60 and 169,816.80

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Solution

The fourth proportional to 294,578.40, 441,867.60 and 169,816.80 is: 254,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,578.40 : 441,867.60 = 169,816.80 : x
  2. Step 2: Convert to fraction form
    294,578.40/441,867.60 = 169,816.80/x
  3. Step 3: Cross multiply
    294,578.40x = 441,867.60 × 169,816.80
  4. Step 4: Simplify right side
    294,578.40x = 75,036,541,855.68
  5. Step 5: Solve for x
    x = 75,036,541,855.68/294,578.40
  6. Step 6: Final answer
    x = 254,725.20

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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.