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Finding the Fourth Proportional to 441,017.28, 661,744.60 and 174,771.90

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Solution

The fourth proportional to 441,017.28, 661,744.60 and 174,771.90 is: 262,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,017.28 : 661,744.60 = 174,771.90 : x
  2. Step 2: Convert to fraction form
    441,017.28/661,744.60 = 174,771.90/x
  3. Step 3: Cross multiply
    441,017.28x = 661,744.60 × 174,771.90
  4. Step 4: Simplify right side
    441,017.28x = 115,654,361,056.74
  5. Step 5: Solve for x
    x = 115,654,361,056.74/441,017.28
  6. Step 6: Final answer
    x = 262,244.51

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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.