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Finding the Fourth Proportional to 325,957.37, 488,836.55 and 225,401.84

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Solution

The fourth proportional to 325,957.37, 488,836.55 and 225,401.84 is: 338,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,957.37 : 488,836.55 = 225,401.84 : x
  2. Step 2: Convert to fraction form
    325,957.37/488,836.55 = 225,401.84/x
  3. Step 3: Cross multiply
    325,957.37x = 488,836.55 × 225,401.84
  4. Step 4: Simplify right side
    325,957.37x = 110,184,657,781.71
  5. Step 5: Solve for x
    x = 110,184,657,781.71/325,957.37
  6. Step 6: Final answer
    x = 338,033.96

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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.