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Finding the Fourth Proportional to 544,048.40, 816,072.60 and 331,158.80

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Solution

The fourth proportional to 544,048.40, 816,072.60 and 331,158.80 is: 496,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,048.40 : 816,072.60 = 331,158.80 : x
  2. Step 2: Convert to fraction form
    544,048.40/816,072.60 = 331,158.80/x
  3. Step 3: Cross multiply
    544,048.40x = 816,072.60 × 331,158.80
  4. Step 4: Simplify right side
    544,048.40x = 270,249,622,928.88
  5. Step 5: Solve for x
    x = 270,249,622,928.88/544,048.40
  6. Step 6: Final answer
    x = 496,738.20

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Similar ratio
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1.5x scale

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.