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Finding the Fourth Proportional to 411,405.22, 567,791.79 and 230,127.22

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Solution

The fourth proportional to 411,405.22, 567,791.79 and 230,127.22 is: 317,604.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,405.22 : 567,791.79 = 230,127.22 : x
  2. Step 2: Convert to fraction form
    411,405.22/567,791.79 = 230,127.22/x
  3. Step 3: Cross multiply
    411,405.22x = 567,791.79 × 230,127.22
  4. Step 4: Simplify right side
    411,405.22x = 130,664,346,171.52
  5. Step 5: Solve for x
    x = 130,664,346,171.52/411,405.22
  6. Step 6: Final answer
    x = 317,604.98

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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.