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Finding the Fourth Proportional to 575,781.18, 863,782.44 and 220,767.52

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Solution

The fourth proportional to 575,781.18, 863,782.44 and 220,767.52 is: 331,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,781.18 : 863,782.44 = 220,767.52 : x
  2. Step 2: Convert to fraction form
    575,781.18/863,782.44 = 220,767.52/x
  3. Step 3: Cross multiply
    575,781.18x = 863,782.44 × 220,767.52
  4. Step 4: Simplify right side
    575,781.18x = 190,695,106,675.54
  5. Step 5: Solve for x
    x = 190,695,106,675.54/575,781.18
  6. Step 6: Final answer
    x = 331,193.71

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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.