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Finding the Fourth Proportional to 504,769.02, 756,405.54 and 204,884.70

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Solution

The fourth proportional to 504,769.02, 756,405.54 and 204,884.70 is: 307,023.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,769.02 : 756,405.54 = 204,884.70 : x
  2. Step 2: Convert to fraction form
    504,769.02/756,405.54 = 204,884.70/x
  3. Step 3: Cross multiply
    504,769.02x = 756,405.54 × 204,884.70
  4. Step 4: Simplify right side
    504,769.02x = 154,975,922,141.24
  5. Step 5: Solve for x
    x = 154,975,922,141.24/504,769.02
  6. Step 6: Final answer
    x = 307,023.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.