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Finding the Fourth Proportional to 200,460.24, 300,736.80 and 58,308.88

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Solution

The fourth proportional to 200,460.24, 300,736.80 and 58,308.88 is: 87,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,460.24 : 300,736.80 = 58,308.88 : x
  2. Step 2: Convert to fraction form
    200,460.24/300,736.80 = 58,308.88/x
  3. Step 3: Cross multiply
    200,460.24x = 300,736.80 × 58,308.88
  4. Step 4: Simplify right side
    200,460.24x = 17,535,625,982.78
  5. Step 5: Solve for x
    x = 17,535,625,982.78/200,460.24
  6. Step 6: Final answer
    x = 87,476.83

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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.