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Finding the Fourth Proportional to 404,379.92, 558,046.14 and 223,094

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Solution

The fourth proportional to 404,379.92, 558,046.14 and 223,094 is: 307,870.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,379.92 : 558,046.14 = 223,094 : x
  2. Step 2: Convert to fraction form
    404,379.92/558,046.14 = 223,094/x
  3. Step 3: Cross multiply
    404,379.92x = 558,046.14 × 223,094
  4. Step 4: Simplify right side
    404,379.92x = 124,496,745,557.16
  5. Step 5: Solve for x
    x = 124,496,745,557.16/404,379.92
  6. Step 6: Final answer
    x = 307,870.74

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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.