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Finding the Fourth Proportional to 441,976.79, 663,007.91 and 175,677.54

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Solution

The fourth proportional to 441,976.79, 663,007.91 and 175,677.54 is: 263,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,976.79 : 663,007.91 = 175,677.54 : x
  2. Step 2: Convert to fraction form
    441,976.79/663,007.91 = 175,677.54/x
  3. Step 3: Cross multiply
    441,976.79x = 663,007.91 × 175,677.54
  4. Step 4: Simplify right side
    441,976.79x = 116,475,597,750.95
  5. Step 5: Solve for x
    x = 116,475,597,750.95/441,976.79
  6. Step 6: Final answer
    x = 263,533.29

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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.