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Finding the Fourth Proportional to 435,131.56, 652,704.54 and 119,586.52

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Solution

The fourth proportional to 435,131.56, 652,704.54 and 119,586.52 is: 179,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,131.56 : 652,704.54 = 119,586.52 : x
  2. Step 2: Convert to fraction form
    435,131.56/652,704.54 = 119,586.52/x
  3. Step 3: Cross multiply
    435,131.56x = 652,704.54 × 119,586.52
  4. Step 4: Simplify right side
    435,131.56x = 78,054,664,526.80
  5. Step 5: Solve for x
    x = 78,054,664,526.80/435,131.56
  6. Step 6: Final answer
    x = 179,381.76

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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.