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Finding the Fourth Proportional to 453,544.80, 680,389.20 and 154,053.60

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Solution

The fourth proportional to 453,544.80, 680,389.20 and 154,053.60 is: 231,104.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,544.80 : 680,389.20 = 154,053.60 : x
  2. Step 2: Convert to fraction form
    453,544.80/680,389.20 = 154,053.60/x
  3. Step 3: Cross multiply
    453,544.80x = 680,389.20 × 154,053.60
  4. Step 4: Simplify right side
    453,544.80x = 104,816,405,661.12
  5. Step 5: Solve for x
    x = 104,816,405,661.12/453,544.80
  6. Step 6: Final answer
    x = 231,104.86

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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.