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Finding the Fourth Proportional to 411,262.10, 567,543.21 and 239,221.34

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Solution

The fourth proportional to 411,262.10, 567,543.21 and 239,221.34 is: 330,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,262.10 : 567,543.21 = 239,221.34 : x
  2. Step 2: Convert to fraction form
    411,262.10/567,543.21 = 239,221.34/x
  3. Step 3: Cross multiply
    411,262.10x = 567,543.21 × 239,221.34
  4. Step 4: Simplify right side
    411,262.10x = 135,768,447,204.10
  5. Step 5: Solve for x
    x = 135,768,447,204.10/411,262.10
  6. Step 6: Final answer
    x = 330,126.33

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