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Finding the Fourth Proportional to 404,427.94, 558,108.94 and 223,151.14

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Solution

The fourth proportional to 404,427.94, 558,108.94 and 223,151.14 is: 307,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,427.94 : 558,108.94 = 223,151.14 : x
  2. Step 2: Convert to fraction form
    404,427.94/558,108.94 = 223,151.14/x
  3. Step 3: Cross multiply
    404,427.94x = 558,108.94 × 223,151.14
  4. Step 4: Simplify right side
    404,427.94x = 124,542,646,205.19
  5. Step 5: Solve for x
    x = 124,542,646,205.19/404,427.94
  6. Step 6: Final answer
    x = 307,947.68

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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.