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Finding the Fourth Proportional to 404,794.73, 558,602.12 and 223,502.79

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Solution

The fourth proportional to 404,794.73, 558,602.12 and 223,502.79 is: 308,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,794.73 : 558,602.12 = 223,502.79 : x
  2. Step 2: Convert to fraction form
    404,794.73/558,602.12 = 223,502.79/x
  3. Step 3: Cross multiply
    404,794.73x = 558,602.12 × 223,502.79
  4. Step 4: Simplify right side
    404,794.73x = 124,849,134,973.43
  5. Step 5: Solve for x
    x = 124,849,134,973.43/404,794.73
  6. Step 6: Final answer
    x = 308,425.79

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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.