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Finding the Fourth Proportional to 489,077.10, 733,615.65 and 441,837.90

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Solution

The fourth proportional to 489,077.10, 733,615.65 and 441,837.90 is: 662,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,077.10 : 733,615.65 = 441,837.90 : x
  2. Step 2: Convert to fraction form
    489,077.10/733,615.65 = 441,837.90/x
  3. Step 3: Cross multiply
    489,077.10x = 733,615.65 × 441,837.90
  4. Step 4: Simplify right side
    489,077.10x = 324,139,198,203.14
  5. Step 5: Solve for x
    x = 324,139,198,203.14/489,077.10
  6. Step 6: Final answer
    x = 662,756.85

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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.