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Finding the Fourth Proportional to 466,878.30, 644,265.63 and 275,909.46

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Solution

The fourth proportional to 466,878.30, 644,265.63 and 275,909.46 is: 380,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,878.30 : 644,265.63 = 275,909.46 : x
  2. Step 2: Convert to fraction form
    466,878.30/644,265.63 = 275,909.46/x
  3. Step 3: Cross multiply
    466,878.30x = 644,265.63 × 275,909.46
  4. Step 4: Simplify right side
    466,878.30x = 177,758,982,069.86
  5. Step 5: Solve for x
    x = 177,758,982,069.86/466,878.30
  6. Step 6: Final answer
    x = 380,739.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.