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Finding the Fourth Proportional to 453,699.05, 680,496.73 and 121,300.97

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Solution

The fourth proportional to 453,699.05, 680,496.73 and 121,300.97 is: 181,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,699.05 : 680,496.73 = 121,300.97 : x
  2. Step 2: Convert to fraction form
    453,699.05/680,496.73 = 121,300.97/x
  3. Step 3: Cross multiply
    453,699.05x = 680,496.73 × 121,300.97
  4. Step 4: Simplify right side
    453,699.05x = 82,544,909,725.09
  5. Step 5: Solve for x
    x = 82,544,909,725.09/453,699.05
  6. Step 6: Final answer
    x = 181,937.59

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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.