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Finding the Fourth Proportional to 362,136.80, 543,205.20 and 227,417.60

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Solution

The fourth proportional to 362,136.80, 543,205.20 and 227,417.60 is: 341,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,136.80 : 543,205.20 = 227,417.60 : x
  2. Step 2: Convert to fraction form
    362,136.80/543,205.20 = 227,417.60/x
  3. Step 3: Cross multiply
    362,136.80x = 543,205.20 × 227,417.60
  4. Step 4: Simplify right side
    362,136.80x = 123,534,422,891.52
  5. Step 5: Solve for x
    x = 123,534,422,891.52/362,136.80
  6. Step 6: Final answer
    x = 341,126.40

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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.