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Finding the Fourth Proportional to 411,086.08, 567,390.30 and 249,907

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Solution

The fourth proportional to 411,086.08, 567,390.30 and 249,907 is: 344,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,086.08 : 567,390.30 = 249,907 : x
  2. Step 2: Convert to fraction form
    411,086.08/567,390.30 = 249,907/x
  3. Step 3: Cross multiply
    411,086.08x = 567,390.30 × 249,907
  4. Step 4: Simplify right side
    411,086.08x = 141,794,807,702.10
  5. Step 5: Solve for x
    x = 141,794,807,702.10/411,086.08
  6. Step 6: Final answer
    x = 344,927.29

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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.