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Finding the Fourth Proportional to 575,805.96, 794,615.22 and 321,167.88

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Solution

The fourth proportional to 575,805.96, 794,615.22 and 321,167.88 is: 443,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,805.96 : 794,615.22 = 321,167.88 : x
  2. Step 2: Convert to fraction form
    575,805.96/794,615.22 = 321,167.88/x
  3. Step 3: Cross multiply
    575,805.96x = 794,615.22 × 321,167.88
  4. Step 4: Simplify right side
    575,805.96x = 255,204,885,623.13
  5. Step 5: Solve for x
    x = 255,204,885,623.13/575,805.96
  6. Step 6: Final answer
    x = 443,213.35

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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.