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Finding the Fourth Proportional to 488,872.80, 733,892.40 and 275,810.40

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Solution

The fourth proportional to 488,872.80, 733,892.40 and 275,810.40 is: 414,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,872.80 : 733,892.40 = 275,810.40 : x
  2. Step 2: Convert to fraction form
    488,872.80/733,892.40 = 275,810.40/x
  3. Step 3: Cross multiply
    488,872.80x = 733,892.40 × 275,810.40
  4. Step 4: Simplify right side
    488,872.80x = 202,415,156,400.96
  5. Step 5: Solve for x
    x = 202,415,156,400.96/488,872.80
  6. Step 6: Final answer
    x = 414,044.63

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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.