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Finding the Fourth Proportional to 411,179.76, 567,431.53 and 227,415.26

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Solution

The fourth proportional to 411,179.76, 567,431.53 and 227,415.26 is: 313,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,179.76 : 567,431.53 = 227,415.26 : x
  2. Step 2: Convert to fraction form
    411,179.76/567,431.53 = 227,415.26/x
  3. Step 3: Cross multiply
    411,179.76x = 567,431.53 × 227,415.26
  4. Step 4: Simplify right side
    411,179.76x = 129,042,589,777.19
  5. Step 5: Solve for x
    x = 129,042,589,777.19/411,179.76
  6. Step 6: Final answer
    x = 313,834.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.