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Finding the Fourth Proportional to 351,604.53, 527,421.38 and 102,286.53

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Solution

The fourth proportional to 351,604.53, 527,421.38 and 102,286.53 is: 153,434.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,604.53 : 527,421.38 = 102,286.53 : x
  2. Step 2: Convert to fraction form
    351,604.53/527,421.38 = 102,286.53/x
  3. Step 3: Cross multiply
    351,604.53x = 527,421.38 × 102,286.53
  4. Step 4: Simplify right side
    351,604.53x = 53,948,102,296.58
  5. Step 5: Solve for x
    x = 53,948,102,296.58/351,604.53
  6. Step 6: Final answer
    x = 153,434.04

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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.