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Finding the Fourth Proportional to 351,103.60, 525,764.40 and 193,153.60

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Solution

The fourth proportional to 351,103.60, 525,764.40 and 193,153.60 is: 289,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,103.60 : 525,764.40 = 193,153.60 : x
  2. Step 2: Convert to fraction form
    351,103.60/525,764.40 = 193,153.60/x
  3. Step 3: Cross multiply
    351,103.60x = 525,764.40 × 193,153.60
  4. Step 4: Simplify right side
    351,103.60x = 101,553,286,611.84
  5. Step 5: Solve for x
    x = 101,553,286,611.84/351,103.60
  6. Step 6: Final answer
    x = 289,240.23

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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.