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Finding the Fourth Proportional to 481,323.77, 664,200.45 and 263,490.31

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Solution

The fourth proportional to 481,323.77, 664,200.45 and 263,490.31 is: 363,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,323.77 : 664,200.45 = 263,490.31 : x
  2. Step 2: Convert to fraction form
    481,323.77/664,200.45 = 263,490.31/x
  3. Step 3: Cross multiply
    481,323.77x = 664,200.45 × 263,490.31
  4. Step 4: Simplify right side
    481,323.77x = 175,010,379,151.64
  5. Step 5: Solve for x
    x = 175,010,379,151.64/481,323.77
  6. Step 6: Final answer
    x = 363,602.19

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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.