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Finding the Fourth Proportional to 404,876.97, 558,726.93 and 223,601.13

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Solution

The fourth proportional to 404,876.97, 558,726.93 and 223,601.13 is: 308,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,876.97 : 558,726.93 = 223,601.13 : x
  2. Step 2: Convert to fraction form
    404,876.97/558,726.93 = 223,601.13/x
  3. Step 3: Cross multiply
    404,876.97x = 558,726.93 × 223,601.13
  4. Step 4: Simplify right side
    404,876.97x = 124,931,972,909.43
  5. Step 5: Solve for x
    x = 124,931,972,909.43/404,876.97
  6. Step 6: Final answer
    x = 308,567.74

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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.