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Finding the Fourth Proportional to 643,913.24, 965,869.02 and 244,553.24

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Solution

The fourth proportional to 643,913.24, 965,869.02 and 244,553.24 is: 366,829.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,913.24 : 965,869.02 = 244,553.24 : x
  2. Step 2: Convert to fraction form
    643,913.24/965,869.02 = 244,553.24/x
  3. Step 3: Cross multiply
    643,913.24x = 965,869.02 × 244,553.24
  4. Step 4: Simplify right side
    643,913.24x = 236,206,398,256.63
  5. Step 5: Solve for x
    x = 236,206,398,256.63/643,913.24
  6. Step 6: Final answer
    x = 366,829.54

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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.