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Finding the Fourth Proportional to 441,414.89, 662,128.43 and 125,871.74

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Solution

The fourth proportional to 441,414.89, 662,128.43 and 125,871.74 is: 188,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,414.89 : 662,128.43 = 125,871.74 : x
  2. Step 2: Convert to fraction form
    441,414.89/662,128.43 = 125,871.74/x
  3. Step 3: Cross multiply
    441,414.89x = 662,128.43 × 125,871.74
  4. Step 4: Simplify right side
    441,414.89x = 83,343,253,647.57
  5. Step 5: Solve for x
    x = 83,343,253,647.57/441,414.89
  6. Step 6: Final answer
    x = 188,809.34

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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.