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Finding the Fourth Proportional to 465,631.44, 642,575.88 and 264,428.88

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Solution

The fourth proportional to 465,631.44, 642,575.88 and 264,428.88 is: 364,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,631.44 : 642,575.88 = 264,428.88 : x
  2. Step 2: Convert to fraction form
    465,631.44/642,575.88 = 264,428.88/x
  3. Step 3: Cross multiply
    465,631.44x = 642,575.88 × 264,428.88
  4. Step 4: Simplify right side
    465,631.44x = 169,915,620,263.41
  5. Step 5: Solve for x
    x = 169,915,620,263.41/465,631.44
  6. Step 6: Final answer
    x = 364,914.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.