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Finding the Fourth Proportional to 536,722.76, 804,777.96 and 220,803.32

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Solution

The fourth proportional to 536,722.76, 804,777.96 and 220,803.32 is: 331,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,722.76 : 804,777.96 = 220,803.32 : x
  2. Step 2: Convert to fraction form
    536,722.76/804,777.96 = 220,803.32/x
  3. Step 3: Cross multiply
    536,722.76x = 804,777.96 × 220,803.32
  4. Step 4: Simplify right side
    536,722.76x = 177,697,648,270.79
  5. Step 5: Solve for x
    x = 177,697,648,270.79/536,722.76
  6. Step 6: Final answer
    x = 331,079.02

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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.