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Finding the Fourth Proportional to 332,622.65, 499,307.90 and 133,083.81

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Solution

The fourth proportional to 332,622.65, 499,307.90 and 133,083.81 is: 199,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,622.65 : 499,307.90 = 133,083.81 : x
  2. Step 2: Convert to fraction form
    332,622.65/499,307.90 = 133,083.81/x
  3. Step 3: Cross multiply
    332,622.65x = 499,307.90 × 133,083.81
  4. Step 4: Simplify right side
    332,622.65x = 66,449,797,029.68
  5. Step 5: Solve for x
    x = 66,449,797,029.68/332,622.65
  6. Step 6: Final answer
    x = 199,775.32

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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.