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Finding the Fourth Proportional to 271,723.60, 406,807.80 and 240,619.60

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Solution

The fourth proportional to 271,723.60, 406,807.80 and 240,619.60 is: 360,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,723.60 : 406,807.80 = 240,619.60 : x
  2. Step 2: Convert to fraction form
    271,723.60/406,807.80 = 240,619.60/x
  3. Step 3: Cross multiply
    271,723.60x = 406,807.80 × 240,619.60
  4. Step 4: Simplify right side
    271,723.60x = 97,885,930,112.88
  5. Step 5: Solve for x
    x = 97,885,930,112.88/271,723.60
  6. Step 6: Final answer
    x = 360,240.81

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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.