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Finding the Fourth Proportional to 575,777.64, 863,777.16 and 220,763.97

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Solution

The fourth proportional to 575,777.64, 863,777.16 and 220,763.97 is: 331,188.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,777.64 : 863,777.16 = 220,763.97 : x
  2. Step 2: Convert to fraction form
    575,777.64/863,777.16 = 220,763.97/x
  3. Step 3: Cross multiply
    575,777.64x = 863,777.16 × 220,763.97
  4. Step 4: Simplify right side
    575,777.64x = 190,690,878,276.09
  5. Step 5: Solve for x
    x = 190,690,878,276.09/575,777.64
  6. Step 6: Final answer
    x = 331,188.41

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1.5x scale

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.