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Finding the Fourth Proportional to 662,525.67, 993,074.09 and 325,173.63

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Solution

The fourth proportional to 662,525.67, 993,074.09 and 325,173.63 is: 487,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,525.67 : 993,074.09 = 325,173.63 : x
  2. Step 2: Convert to fraction form
    662,525.67/993,074.09 = 325,173.63/x
  3. Step 3: Cross multiply
    662,525.67x = 993,074.09 × 325,173.63
  4. Step 4: Simplify right side
    662,525.67x = 322,921,505,078.38
  5. Step 5: Solve for x
    x = 322,921,505,078.38/662,525.67
  6. Step 6: Final answer
    x = 487,409.80

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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.