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Finding the Fourth Proportional to 575,763.48, 794,554.86 and 321,131.04

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Solution

The fourth proportional to 575,763.48, 794,554.86 and 321,131.04 is: 443,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,763.48 : 794,554.86 = 321,131.04 : x
  2. Step 2: Convert to fraction form
    575,763.48/794,554.86 = 321,131.04/x
  3. Step 3: Cross multiply
    575,763.48x = 794,554.86 × 321,131.04
  4. Step 4: Simplify right side
    575,763.48x = 255,156,228,528.85
  5. Step 5: Solve for x
    x = 255,156,228,528.85/575,763.48
  6. Step 6: Final answer
    x = 443,161.54

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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.