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Finding the Fourth Proportional to 591,818.28, 816,605.39 and 350,012.63

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Solution

The fourth proportional to 591,818.28, 816,605.39 and 350,012.63 is: 482,956.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,818.28 : 816,605.39 = 350,012.63 : x
  2. Step 2: Convert to fraction form
    591,818.28/816,605.39 = 350,012.63/x
  3. Step 3: Cross multiply
    591,818.28x = 816,605.39 × 350,012.63
  4. Step 4: Simplify right side
    591,818.28x = 285,822,194,392.99
  5. Step 5: Solve for x
    x = 285,822,194,392.99/591,818.28
  6. Step 6: Final answer
    x = 482,956.01

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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.