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Finding the Fourth Proportional to 548,545.24, 756,998.22 and 322,194.52

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Solution

The fourth proportional to 548,545.24, 756,998.22 and 322,194.52 is: 444,631.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,545.24 : 756,998.22 = 322,194.52 : x
  2. Step 2: Convert to fraction form
    548,545.24/756,998.22 = 322,194.52/x
  3. Step 3: Cross multiply
    548,545.24x = 756,998.22 × 322,194.52
  4. Step 4: Simplify right side
    548,545.24x = 243,900,678,133.75
  5. Step 5: Solve for x
    x = 243,900,678,133.75/548,545.24
  6. Step 6: Final answer
    x = 444,631.84

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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.