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Finding the Fourth Proportional to 404,909.23, 558,774.73 and 235,154.29

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Solution

The fourth proportional to 404,909.23, 558,774.73 and 235,154.29 is: 324,512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,909.23 : 558,774.73 = 235,154.29 : x
  2. Step 2: Convert to fraction form
    404,909.23/558,774.73 = 235,154.29/x
  3. Step 3: Cross multiply
    404,909.23x = 558,774.73 × 235,154.29
  4. Step 4: Simplify right side
    404,909.23x = 131,398,272,109.22
  5. Step 5: Solve for x
    x = 131,398,272,109.22/404,909.23
  6. Step 6: Final answer
    x = 324,512.91

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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.