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Finding the Fourth Proportional to 504,553.20, 756,813.42 and 204,945.12

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Solution

The fourth proportional to 504,553.20, 756,813.42 and 204,945.12 is: 307,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,553.20 : 756,813.42 = 204,945.12 : x
  2. Step 2: Convert to fraction form
    504,553.20/756,813.42 = 204,945.12/x
  3. Step 3: Cross multiply
    504,553.20x = 756,813.42 × 204,945.12
  4. Step 4: Simplify right side
    504,553.20x = 155,105,217,179.51
  5. Step 5: Solve for x
    x = 155,105,217,179.51/504,553.20
  6. Step 6: Final answer
    x = 307,411.03

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1.5x scale

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.