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Finding the Fourth Proportional to 608,694.46, 840,267.41 and 363,765.65

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Solution

The fourth proportional to 608,694.46, 840,267.41 and 363,765.65 is: 502,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,694.46 : 840,267.41 = 363,765.65 : x
  2. Step 2: Convert to fraction form
    608,694.46/840,267.41 = 363,765.65/x
  3. Step 3: Cross multiply
    608,694.46x = 840,267.41 × 363,765.65
  4. Step 4: Simplify right side
    608,694.46x = 305,660,414,552.30
  5. Step 5: Solve for x
    x = 305,660,414,552.30/608,694.46
  6. Step 6: Final answer
    x = 502,157.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.