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Finding the Fourth Proportional to 404,793.65, 558,604.60 and 223,501.68

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Solution

The fourth proportional to 404,793.65, 558,604.60 and 223,501.68 is: 308,426.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,793.65 : 558,604.60 = 223,501.68 : x
  2. Step 2: Convert to fraction form
    404,793.65/558,604.60 = 223,501.68/x
  3. Step 3: Cross multiply
    404,793.65x = 558,604.60 × 223,501.68
  4. Step 4: Simplify right side
    404,793.65x = 124,849,065,996.97
  5. Step 5: Solve for x
    x = 124,849,065,996.97/404,793.65
  6. Step 6: Final answer
    x = 308,426.44

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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.