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Finding the Fourth Proportional to 335,663.80, 504,078.90 and 325,166.20

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Solution

The fourth proportional to 335,663.80, 504,078.90 and 325,166.20 is: 488,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,663.80 : 504,078.90 = 325,166.20 : x
  2. Step 2: Convert to fraction form
    335,663.80/504,078.90 = 325,166.20/x
  3. Step 3: Cross multiply
    335,663.80x = 504,078.90 × 325,166.20
  4. Step 4: Simplify right side
    335,663.80x = 163,909,420,413.18
  5. Step 5: Solve for x
    x = 163,909,420,413.18/335,663.80
  6. Step 6: Final answer
    x = 488,314.26

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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.