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Finding the Fourth Proportional to 575,987.22, 863,793.09 and 272,351.34

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Solution

The fourth proportional to 575,987.22, 863,793.09 and 272,351.34 is: 408,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,987.22 : 863,793.09 = 272,351.34 : x
  2. Step 2: Convert to fraction form
    575,987.22/863,793.09 = 272,351.34/x
  3. Step 3: Cross multiply
    575,987.22x = 863,793.09 × 272,351.34
  4. Step 4: Simplify right side
    575,987.22x = 235,255,205,544.24
  5. Step 5: Solve for x
    x = 235,255,205,544.24/575,987.22
  6. Step 6: Final answer
    x = 408,438.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.