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Finding the Fourth Proportional to 404,617.90, 558,289.35 and 232,502.62

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Solution

The fourth proportional to 404,617.90, 558,289.35 and 232,502.62 is: 320,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,617.90 : 558,289.35 = 232,502.62 : x
  2. Step 2: Convert to fraction form
    404,617.90/558,289.35 = 232,502.62/x
  3. Step 3: Cross multiply
    404,617.90x = 558,289.35 × 232,502.62
  4. Step 4: Simplify right side
    404,617.90x = 129,803,734,542.80
  5. Step 5: Solve for x
    x = 129,803,734,542.80/404,617.90
  6. Step 6: Final answer
    x = 320,805.71

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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.