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Finding the Fourth Proportional to 453,982.59, 680,979.35 and 154,469.30

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Solution

The fourth proportional to 453,982.59, 680,979.35 and 154,469.30 is: 231,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,982.59 : 680,979.35 = 154,469.30 : x
  2. Step 2: Convert to fraction form
    453,982.59/680,979.35 = 154,469.30/x
  3. Step 3: Cross multiply
    453,982.59x = 680,979.35 × 154,469.30
  4. Step 4: Simplify right side
    453,982.59x = 105,190,400,490.23
  5. Step 5: Solve for x
    x = 105,190,400,490.23/453,982.59
  6. Step 6: Final answer
    x = 231,705.80

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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.