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Finding the Fourth Proportional to 453,698.11, 680,609.45 and 154,098.26

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Solution

The fourth proportional to 453,698.11, 680,609.45 and 154,098.26 is: 231,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,698.11 : 680,609.45 = 154,098.26 : x
  2. Step 2: Convert to fraction form
    453,698.11/680,609.45 = 154,098.26/x
  3. Step 3: Cross multiply
    453,698.11x = 680,609.45 × 154,098.26
  4. Step 4: Simplify right side
    453,698.11x = 104,880,731,984.56
  5. Step 5: Solve for x
    x = 104,880,731,984.56/453,698.11
  6. Step 6: Final answer
    x = 231,168.55

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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.