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Finding the Fourth Proportional to 453,740.83, 680,630.01 and 133,892.70

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Solution

The fourth proportional to 453,740.83, 680,630.01 and 133,892.70 is: 200,844.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,740.83 : 680,630.01 = 133,892.70 : x
  2. Step 2: Convert to fraction form
    453,740.83/680,630.01 = 133,892.70/x
  3. Step 3: Cross multiply
    453,740.83x = 680,630.01 × 133,892.70
  4. Step 4: Simplify right side
    453,740.83x = 91,131,389,739.93
  5. Step 5: Solve for x
    x = 91,131,389,739.93/453,740.83
  6. Step 6: Final answer
    x = 200,844.59

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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.