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Finding the Fourth Proportional to 441,605.28, 660,774.96 and 264,234.72

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Solution

The fourth proportional to 441,605.28, 660,774.96 and 264,234.72 is: 395,375.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,605.28 : 660,774.96 = 264,234.72 : x
  2. Step 2: Convert to fraction form
    441,605.28/660,774.96 = 264,234.72/x
  3. Step 3: Cross multiply
    441,605.28x = 660,774.96 × 264,234.72
  4. Step 4: Simplify right side
    441,605.28x = 174,599,686,538.61
  5. Step 5: Solve for x
    x = 174,599,686,538.61/441,605.28
  6. Step 6: Final answer
    x = 395,375.00

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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.