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Finding the Fourth Proportional to 411,242.95, 567,635.97 and 239,201.38

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Solution

The fourth proportional to 411,242.95, 567,635.97 and 239,201.38 is: 330,168.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,242.95 : 567,635.97 = 239,201.38 : x
  2. Step 2: Convert to fraction form
    411,242.95/567,635.97 = 239,201.38/x
  3. Step 3: Cross multiply
    411,242.95x = 567,635.97 × 239,201.38
  4. Step 4: Simplify right side
    411,242.95x = 135,779,307,361.64
  5. Step 5: Solve for x
    x = 135,779,307,361.64/411,242.95
  6. Step 6: Final answer
    x = 330,168.11

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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.