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Finding the Fourth Proportional to 411,810.08, 568,504.28 and 258,932.36

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Solution

The fourth proportional to 411,810.08, 568,504.28 and 258,932.36 is: 357,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,810.08 : 568,504.28 = 258,932.36 : x
  2. Step 2: Convert to fraction form
    411,810.08/568,504.28 = 258,932.36/x
  3. Step 3: Cross multiply
    411,810.08x = 568,504.28 × 258,932.36
  4. Step 4: Simplify right side
    411,810.08x = 147,204,156,959.09
  5. Step 5: Solve for x
    x = 147,204,156,959.09/411,810.08
  6. Step 6: Final answer
    x = 357,456.42

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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.