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Finding the Fourth Proportional to 575,777.52, 863,776.98 and 220,763.84

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Solution

The fourth proportional to 575,777.52, 863,776.98 and 220,763.84 is: 331,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,777.52 : 863,776.98 = 220,763.84 : x
  2. Step 2: Convert to fraction form
    575,777.52/863,776.98 = 220,763.84/x
  3. Step 3: Cross multiply
    575,777.52x = 863,776.98 × 220,763.84
  4. Step 4: Simplify right side
    575,777.52x = 190,690,723,008.40
  5. Step 5: Solve for x
    x = 190,690,723,008.40/575,777.52
  6. Step 6: Final answer
    x = 331,188.20

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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.