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Finding the Fourth Proportional to 496,371.33, 744,871.91 and 212,064.02

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Solution

The fourth proportional to 496,371.33, 744,871.91 and 212,064.02 is: 318,230.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,371.33 : 744,871.91 = 212,064.02 : x
  2. Step 2: Convert to fraction form
    496,371.33/744,871.91 = 212,064.02/x
  3. Step 3: Cross multiply
    496,371.33x = 744,871.91 × 212,064.02
  4. Step 4: Simplify right side
    496,371.33x = 157,960,531,619.68
  5. Step 5: Solve for x
    x = 157,960,531,619.68/496,371.33
  6. Step 6: Final answer
    x = 318,230.57

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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.