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Finding the Fourth Proportional to 437,257.67, 654,405.01 and 268,884.59

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Solution

The fourth proportional to 437,257.67, 654,405.01 and 268,884.59 is: 402,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,257.67 : 654,405.01 = 268,884.59 : x
  2. Step 2: Convert to fraction form
    437,257.67/654,405.01 = 268,884.59/x
  3. Step 3: Cross multiply
    437,257.67x = 654,405.01 × 268,884.59
  4. Step 4: Simplify right side
    437,257.67x = 175,959,418,863.56
  5. Step 5: Solve for x
    x = 175,959,418,863.56/437,257.67
  6. Step 6: Final answer
    x = 402,415.86

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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.