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Finding the Fourth Proportional to 495,793.64, 743,690.71 and 327,274.58

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Solution

The fourth proportional to 495,793.64, 743,690.71 and 327,274.58 is: 490,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,793.64 : 743,690.71 = 327,274.58 : x
  2. Step 2: Convert to fraction form
    495,793.64/743,690.71 = 327,274.58/x
  3. Step 3: Cross multiply
    495,793.64x = 743,690.71 × 327,274.58
  4. Step 4: Simplify right side
    495,793.64x = 243,391,064,765.15
  5. Step 5: Solve for x
    x = 243,391,064,765.15/495,793.64
  6. Step 6: Final answer
    x = 490,912.04

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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.