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Finding the Fourth Proportional to 436,834.38, 603,017.46 and 293,677.46

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Solution

The fourth proportional to 436,834.38, 603,017.46 and 293,677.46 is: 405,399.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,834.38 : 603,017.46 = 293,677.46 : x
  2. Step 2: Convert to fraction form
    436,834.38/603,017.46 = 293,677.46/x
  3. Step 3: Cross multiply
    436,834.38x = 603,017.46 × 293,677.46
  4. Step 4: Simplify right side
    436,834.38x = 177,092,632,973.36
  5. Step 5: Solve for x
    x = 177,092,632,973.36/436,834.38
  6. Step 6: Final answer
    x = 405,399.94

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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.