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Finding the Fourth Proportional to 565,842.78, 848,236.86 and 388,433.34

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Solution

The fourth proportional to 565,842.78, 848,236.86 and 388,433.34 is: 582,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,842.78 : 848,236.86 = 388,433.34 : x
  2. Step 2: Convert to fraction form
    565,842.78/848,236.86 = 388,433.34/x
  3. Step 3: Cross multiply
    565,842.78x = 848,236.86 × 388,433.34
  4. Step 4: Simplify right side
    565,842.78x = 329,483,476,640.91
  5. Step 5: Solve for x
    x = 329,483,476,640.91/565,842.78
  6. Step 6: Final answer
    x = 582,288.03

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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.