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Finding the Fourth Proportional to 575,917.44, 794,758.32 and 321,272.88

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Solution

The fourth proportional to 575,917.44, 794,758.32 and 321,272.88 is: 443,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,917.44 : 794,758.32 = 321,272.88 : x
  2. Step 2: Convert to fraction form
    575,917.44/794,758.32 = 321,272.88/x
  3. Step 3: Cross multiply
    575,917.44x = 794,758.32 × 321,272.88
  4. Step 4: Simplify right side
    575,917.44x = 255,334,294,370.36
  5. Step 5: Solve for x
    x = 255,334,294,370.36/575,917.44
  6. Step 6: Final answer
    x = 443,352.25

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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.