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Finding the Fourth Proportional to 536,195.80, 804,585.30 and 220,684.60

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Solution

The fourth proportional to 536,195.80, 804,585.30 and 220,684.60 is: 331,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,195.80 : 804,585.30 = 220,684.60 : x
  2. Step 2: Convert to fraction form
    536,195.80/804,585.30 = 220,684.60/x
  3. Step 3: Cross multiply
    536,195.80x = 804,585.30 × 220,684.60
  4. Step 4: Simplify right side
    536,195.80x = 177,559,585,096.38
  5. Step 5: Solve for x
    x = 177,559,585,096.38/536,195.80
  6. Step 6: Final answer
    x = 331,146.92

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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.