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Finding the Fourth Proportional to 441,868.80, 662,913.60 and 142,377.60

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Solution

The fourth proportional to 441,868.80, 662,913.60 and 142,377.60 is: 213,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,868.80 : 662,913.60 = 142,377.60 : x
  2. Step 2: Convert to fraction form
    441,868.80/662,913.60 = 142,377.60/x
  3. Step 3: Cross multiply
    441,868.80x = 662,913.60 × 142,377.60
  4. Step 4: Simplify right side
    441,868.80x = 94,384,047,375.36
  5. Step 5: Solve for x
    x = 94,384,047,375.36/441,868.80
  6. Step 6: Final answer
    x = 213,601.97

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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.