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Finding the Fourth Proportional to 544,615.20, 816,339.60 and 245,044.80

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Solution

The fourth proportional to 544,615.20, 816,339.60 and 245,044.80 is: 367,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,615.20 : 816,339.60 = 245,044.80 : x
  2. Step 2: Convert to fraction form
    544,615.20/816,339.60 = 245,044.80/x
  3. Step 3: Cross multiply
    544,615.20x = 816,339.60 × 245,044.80
  4. Step 4: Simplify right side
    544,615.20x = 200,039,774,014.08
  5. Step 5: Solve for x
    x = 200,039,774,014.08/544,615.20
  6. Step 6: Final answer
    x = 367,304.79

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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.