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Finding the Fourth Proportional to 266,092.60, 398,555.70 and 236,543.80

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Solution

The fourth proportional to 266,092.60, 398,555.70 and 236,543.80 is: 354,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,092.60 : 398,555.70 = 236,543.80 : x
  2. Step 2: Convert to fraction form
    266,092.60/398,555.70 = 236,543.80/x
  3. Step 3: Cross multiply
    266,092.60x = 398,555.70 × 236,543.80
  4. Step 4: Simplify right side
    266,092.60x = 94,275,879,789.66
  5. Step 5: Solve for x
    x = 94,275,879,789.66/266,092.60
  6. Step 6: Final answer
    x = 354,297.26

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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.