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Finding the Fourth Proportional to 441,300.40, 661,626.60 and 174,929.20

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Solution

The fourth proportional to 441,300.40, 661,626.60 and 174,929.20 is: 262,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,300.40 : 661,626.60 = 174,929.20 : x
  2. Step 2: Convert to fraction form
    441,300.40/661,626.60 = 174,929.20/x
  3. Step 3: Cross multiply
    441,300.40x = 661,626.60 × 174,929.20
  4. Step 4: Simplify right side
    441,300.40x = 115,737,811,836.72
  5. Step 5: Solve for x
    x = 115,737,811,836.72/441,300.40
  6. Step 6: Final answer
    x = 262,265.37

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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.