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Finding the Fourth Proportional to 411,909.31, 568,386.24 and 237,477.56

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Solution

The fourth proportional to 411,909.31, 568,386.24 and 237,477.56 is: 327,691.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,909.31 : 568,386.24 = 237,477.56 : x
  2. Step 2: Convert to fraction form
    411,909.31/568,386.24 = 237,477.56/x
  3. Step 3: Cross multiply
    411,909.31x = 568,386.24 × 237,477.56
  4. Step 4: Simplify right side
    411,909.31x = 134,978,975,016.11
  5. Step 5: Solve for x
    x = 134,978,975,016.11/411,909.31
  6. Step 6: Final answer
    x = 327,691.00

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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.