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Finding the Fourth Proportional to 411,574.20, 617,361.30 and 366,959.40

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Solution

The fourth proportional to 411,574.20, 617,361.30 and 366,959.40 is: 550,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,574.20 : 617,361.30 = 366,959.40 : x
  2. Step 2: Convert to fraction form
    411,574.20/617,361.30 = 366,959.40/x
  3. Step 3: Cross multiply
    411,574.20x = 617,361.30 × 366,959.40
  4. Step 4: Simplify right side
    411,574.20x = 226,546,532,231.22
  5. Step 5: Solve for x
    x = 226,546,532,231.22/411,574.20
  6. Step 6: Final answer
    x = 550,439.10

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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.