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Finding the Fourth Proportional to 435,404.80, 653,068.80 and 119,833.60

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Solution

The fourth proportional to 435,404.80, 653,068.80 and 119,833.60 is: 179,739.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,404.80 : 653,068.80 = 119,833.60 : x
  2. Step 2: Convert to fraction form
    435,404.80/653,068.80 = 119,833.60/x
  3. Step 3: Cross multiply
    435,404.80x = 653,068.80 × 119,833.60
  4. Step 4: Simplify right side
    435,404.80x = 78,259,585,351.68
  5. Step 5: Solve for x
    x = 78,259,585,351.68/435,404.80
  6. Step 6: Final answer
    x = 179,739.83

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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.