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Finding the Fourth Proportional to 499,606.00, 689,522.00 and 284,696.80

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Solution

The fourth proportional to 499,606.00, 689,522.00 and 284,696.80 is: 392,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,606.00 : 689,522.00 = 284,696.80 : x
  2. Step 2: Convert to fraction form
    499,606.00/689,522.00 = 284,696.80/x
  3. Step 3: Cross multiply
    499,606.00x = 689,522.00 × 284,696.80
  4. Step 4: Simplify right side
    499,606.00x = 196,304,703,782.31
  5. Step 5: Solve for x
    x = 196,304,703,782.31/499,606.00
  6. Step 6: Final answer
    x = 392,919.03

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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.