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Finding the Fourth Proportional to 481,515.20, 722,272.80 and 362,542.40

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Solution

The fourth proportional to 481,515.20, 722,272.80 and 362,542.40 is: 543,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,515.20 : 722,272.80 = 362,542.40 : x
  2. Step 2: Convert to fraction form
    481,515.20/722,272.80 = 362,542.40/x
  3. Step 3: Cross multiply
    481,515.20x = 722,272.80 × 362,542.40
  4. Step 4: Simplify right side
    481,515.20x = 261,854,514,366.72
  5. Step 5: Solve for x
    x = 261,854,514,366.72/481,515.20
  6. Step 6: Final answer
    x = 543,813.60

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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.