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Finding the Fourth Proportional to 404,928.98, 558,791.30 and 223,637.01

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Solution

The fourth proportional to 404,928.98, 558,791.30 and 223,637.01 is: 308,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,928.98 : 558,791.30 = 223,637.01 : x
  2. Step 2: Convert to fraction form
    404,928.98/558,791.30 = 223,637.01/x
  3. Step 3: Cross multiply
    404,928.98x = 558,791.30 × 223,637.01
  4. Step 4: Simplify right side
    404,928.98x = 124,966,415,546.01
  5. Step 5: Solve for x
    x = 124,966,415,546.01/404,928.98
  6. Step 6: Final answer
    x = 308,613.17

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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.