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Finding the Fourth Proportional to 472,859.70, 652,546.17 and 303,093.69

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Solution

The fourth proportional to 472,859.70, 652,546.17 and 303,093.69 is: 418,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,859.70 : 652,546.17 = 303,093.69 : x
  2. Step 2: Convert to fraction form
    472,859.70/652,546.17 = 303,093.69/x
  3. Step 3: Cross multiply
    472,859.70x = 652,546.17 × 303,093.69
  4. Step 4: Simplify right side
    472,859.70x = 197,782,626,560.67
  5. Step 5: Solve for x
    x = 197,782,626,560.67/472,859.70
  6. Step 6: Final answer
    x = 418,269.15

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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.