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Finding the Fourth Proportional to 481,409.52, 664,355.52 and 263,627.37

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Solution

The fourth proportional to 481,409.52, 664,355.52 and 263,627.37 is: 363,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,409.52 : 664,355.52 = 263,627.37 : x
  2. Step 2: Convert to fraction form
    481,409.52/664,355.52 = 263,627.37/x
  3. Step 3: Cross multiply
    481,409.52x = 664,355.52 × 263,627.37
  4. Step 4: Simplify right side
    481,409.52x = 175,142,298,482.58
  5. Step 5: Solve for x
    x = 175,142,298,482.58/481,409.52
  6. Step 6: Final answer
    x = 363,811.46

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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.