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Finding the Fourth Proportional to 575,778.02, 863,777.72 and 220,764.35

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Solution

The fourth proportional to 575,778.02, 863,777.72 and 220,764.35 is: 331,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,778.02 : 863,777.72 = 220,764.35 : x
  2. Step 2: Convert to fraction form
    575,778.02/863,777.72 = 220,764.35/x
  3. Step 3: Cross multiply
    575,778.02x = 863,777.72 × 220,764.35
  4. Step 4: Simplify right side
    575,778.02x = 190,691,326,372.47
  5. Step 5: Solve for x
    x = 190,691,326,372.47/575,778.02
  6. Step 6: Final answer
    x = 331,188.97

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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.