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Finding the Fourth Proportional to 303,624.20, 455,711.70 and 153,968.60

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Solution

The fourth proportional to 303,624.20, 455,711.70 and 153,968.60 is: 231,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,624.20 : 455,711.70 = 153,968.60 : x
  2. Step 2: Convert to fraction form
    303,624.20/455,711.70 = 153,968.60/x
  3. Step 3: Cross multiply
    303,624.20x = 455,711.70 × 153,968.60
  4. Step 4: Simplify right side
    303,624.20x = 70,165,292,452.62
  5. Step 5: Solve for x
    x = 70,165,292,452.62/303,624.20
  6. Step 6: Final answer
    x = 231,092.56

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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.