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Finding the Fourth Proportional to 585,755.85, 808,332.38 and 331,107.04

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Solution

The fourth proportional to 585,755.85, 808,332.38 and 331,107.04 is: 456,921.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,755.85 : 808,332.38 = 331,107.04 : x
  2. Step 2: Convert to fraction form
    585,755.85/808,332.38 = 331,107.04/x
  3. Step 3: Cross multiply
    585,755.85x = 808,332.38 × 331,107.04
  4. Step 4: Simplify right side
    585,755.85x = 267,644,542,274.49
  5. Step 5: Solve for x
    x = 267,644,542,274.49/585,755.85
  6. Step 6: Final answer
    x = 456,921.67

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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.