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Finding the Fourth Proportional to 536,568.30, 804,560.85 and 221,057.10

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Solution

The fourth proportional to 536,568.30, 804,560.85 and 221,057.10 is: 331,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,568.30 : 804,560.85 = 221,057.10 : x
  2. Step 2: Convert to fraction form
    536,568.30/804,560.85 = 221,057.10/x
  3. Step 3: Cross multiply
    536,568.30x = 804,560.85 × 221,057.10
  4. Step 4: Simplify right side
    536,568.30x = 177,853,888,274.54
  5. Step 5: Solve for x
    x = 177,853,888,274.54/536,568.30
  6. Step 6: Final answer
    x = 331,465.52

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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.