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Finding the Fourth Proportional to 266,940.20, 400,410.30 and 266,940.20

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Solution

The fourth proportional to 266,940.20, 400,410.30 and 266,940.20 is: 400,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,940.20 : 400,410.30 = 266,940.20 : x
  2. Step 2: Convert to fraction form
    266,940.20/400,410.30 = 266,940.20/x
  3. Step 3: Cross multiply
    266,940.20x = 400,410.30 × 266,940.20
  4. Step 4: Simplify right side
    266,940.20x = 106,885,605,564.06
  5. Step 5: Solve for x
    x = 106,885,605,564.06/266,940.20
  6. Step 6: Final answer
    x = 400,410.30

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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.