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Finding the Fourth Proportional to 266,164.20, 399,246.30 and 246,918.60

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Solution

The fourth proportional to 266,164.20, 399,246.30 and 246,918.60 is: 370,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,164.20 : 399,246.30 = 246,918.60 : x
  2. Step 2: Convert to fraction form
    266,164.20/399,246.30 = 246,918.60/x
  3. Step 3: Cross multiply
    266,164.20x = 399,246.30 × 246,918.60
  4. Step 4: Simplify right side
    266,164.20x = 98,581,337,451.18
  5. Step 5: Solve for x
    x = 98,581,337,451.18/266,164.20
  6. Step 6: Final answer
    x = 370,377.90

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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.