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Finding the Fourth Proportional to 453,736.57, 680,623.64 and 133,888.44

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Solution

The fourth proportional to 453,736.57, 680,623.64 and 133,888.44 is: 200,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,736.57 : 680,623.64 = 133,888.44 : x
  2. Step 2: Convert to fraction form
    453,736.57/680,623.64 = 133,888.44/x
  3. Step 3: Cross multiply
    453,736.57x = 680,623.64 × 133,888.44
  4. Step 4: Simplify right side
    453,736.57x = 91,127,636,717.28
  5. Step 5: Solve for x
    x = 91,127,636,717.28/453,736.57
  6. Step 6: Final answer
    x = 200,838.20

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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.