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Finding the Fourth Proportional to 362,287.80, 543,528.90 and 323,116.20

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Solution

The fourth proportional to 362,287.80, 543,528.90 and 323,116.20 is: 484,760.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,287.80 : 543,528.90 = 323,116.20 : x
  2. Step 2: Convert to fraction form
    362,287.80/543,528.90 = 323,116.20/x
  3. Step 3: Cross multiply
    362,287.80x = 543,528.90 × 323,116.20
  4. Step 4: Simplify right side
    362,287.80x = 175,622,992,758.18
  5. Step 5: Solve for x
    x = 175,622,992,758.18/362,287.80
  6. Step 6: Final answer
    x = 484,760.99

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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.