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Finding the Fourth Proportional to 453,716.36, 680,636.82 and 154,116.54

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Solution

The fourth proportional to 453,716.36, 680,636.82 and 154,116.54 is: 231,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,716.36 : 680,636.82 = 154,116.54 : x
  2. Step 2: Convert to fraction form
    453,716.36/680,636.82 = 154,116.54/x
  3. Step 3: Cross multiply
    453,716.36x = 680,636.82 × 154,116.54
  4. Step 4: Simplify right side
    453,716.36x = 104,897,391,695.00
  5. Step 5: Solve for x
    x = 104,897,391,695.00/453,716.36
  6. Step 6: Final answer
    x = 231,195.97

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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.