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Finding the Fourth Proportional to 404,545.75, 558,286.54 and 220,794.36

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Solution

The fourth proportional to 404,545.75, 558,286.54 and 220,794.36 is: 304,703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,545.75 : 558,286.54 = 220,794.36 : x
  2. Step 2: Convert to fraction form
    404,545.75/558,286.54 = 220,794.36/x
  3. Step 3: Cross multiply
    404,545.75x = 558,286.54 × 220,794.36
  4. Step 4: Simplify right side
    404,545.75x = 123,266,521,032.68
  5. Step 5: Solve for x
    x = 123,266,521,032.68/404,545.75
  6. Step 6: Final answer
    x = 304,703.54

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1.5x scale

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.