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Finding the Fourth Proportional to 404,475.49, 558,175.51 and 223,187.27

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Solution

The fourth proportional to 404,475.49, 558,175.51 and 223,187.27 is: 307,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,475.49 : 558,175.51 = 223,187.27 : x
  2. Step 2: Convert to fraction form
    404,475.49/558,175.51 = 223,187.27/x
  3. Step 3: Cross multiply
    404,475.49x = 558,175.51 × 223,187.27
  4. Step 4: Simplify right side
    404,475.49x = 124,577,669,095.23
  5. Step 5: Solve for x
    x = 124,577,669,095.23/404,475.49
  6. Step 6: Final answer
    x = 307,998.07

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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.