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Finding the Fourth Proportional to 576,094.82, 863,911.15 and 238,906.40

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Solution

The fourth proportional to 576,094.82, 863,911.15 and 238,906.40 is: 358,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,094.82 : 863,911.15 = 238,906.40 : x
  2. Step 2: Convert to fraction form
    576,094.82/863,911.15 = 238,906.40/x
  3. Step 3: Cross multiply
    576,094.82x = 863,911.15 × 238,906.40
  4. Step 4: Simplify right side
    576,094.82x = 206,393,902,766.36
  5. Step 5: Solve for x
    x = 206,393,902,766.36/576,094.82
  6. Step 6: Final answer
    x = 358,263.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.