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Finding the Fourth Proportional to 453,741.83, 680,631.51 and 133,893.70

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Solution

The fourth proportional to 453,741.83, 680,631.51 and 133,893.70 is: 200,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,741.83 : 680,631.51 = 133,893.70 : x
  2. Step 2: Convert to fraction form
    453,741.83/680,631.51 = 133,893.70/x
  3. Step 3: Cross multiply
    453,741.83x = 680,631.51 × 133,893.70
  4. Step 4: Simplify right side
    453,741.83x = 91,132,271,210.49
  5. Step 5: Solve for x
    x = 91,132,271,210.49/453,741.83
  6. Step 6: Final answer
    x = 200,846.09

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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.