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Finding the Fourth Proportional to 637,755.66, 956,751.21 and 263,807.82

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Solution

The fourth proportional to 637,755.66, 956,751.21 and 263,807.82 is: 395,760.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,755.66 : 956,751.21 = 263,807.82 : x
  2. Step 2: Convert to fraction form
    637,755.66/956,751.21 = 263,807.82/x
  3. Step 3: Cross multiply
    637,755.66x = 956,751.21 × 263,807.82
  4. Step 4: Simplify right side
    637,755.66x = 252,398,450,992.46
  5. Step 5: Solve for x
    x = 252,398,450,992.46/637,755.66
  6. Step 6: Final answer
    x = 395,760.42

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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.