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Finding the Fourth Proportional to 608,715.11, 840,295.89 and 363,786.27

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Solution

The fourth proportional to 608,715.11, 840,295.89 and 363,786.27 is: 502,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,715.11 : 840,295.89 = 363,786.27 : x
  2. Step 2: Convert to fraction form
    608,715.11/840,295.89 = 363,786.27/x
  3. Step 3: Cross multiply
    608,715.11x = 840,295.89 × 363,786.27
  4. Step 4: Simplify right side
    608,715.11x = 305,688,107,519.43
  5. Step 5: Solve for x
    x = 305,688,107,519.43/608,715.11
  6. Step 6: Final answer
    x = 502,185.84

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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.