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Finding the Fourth Proportional to 351,735.32, 527,598.32 and 85,495.04

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Solution

The fourth proportional to 351,735.32, 527,598.32 and 85,495.04 is: 128,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,735.32 : 527,598.32 = 85,495.04 : x
  2. Step 2: Convert to fraction form
    351,735.32/527,598.32 = 85,495.04/x
  3. Step 3: Cross multiply
    351,735.32x = 527,598.32 × 85,495.04
  4. Step 4: Simplify right side
    351,735.32x = 45,107,039,472.33
  5. Step 5: Solve for x
    x = 45,107,039,472.33/351,735.32
  6. Step 6: Final answer
    x = 128,241.43

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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.