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Finding the Fourth Proportional to 585,771.62, 808,342.74 and 331,128.27

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Solution

The fourth proportional to 585,771.62, 808,342.74 and 331,128.27 is: 456,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,771.62 : 808,342.74 = 331,128.27 : x
  2. Step 2: Convert to fraction form
    585,771.62/808,342.74 = 331,128.27/x
  3. Step 3: Cross multiply
    585,771.62x = 808,342.74 × 331,128.27
  4. Step 4: Simplify right side
    585,771.62x = 267,665,133,063.26
  5. Step 5: Solve for x
    x = 267,665,133,063.26/585,771.62
  6. Step 6: Final answer
    x = 456,944.53

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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.