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Finding the Fourth Proportional to 536,574.30, 804,569.85 and 221,063.10

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Solution

The fourth proportional to 536,574.30, 804,569.85 and 221,063.10 is: 331,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,574.30 : 804,569.85 = 221,063.10 : x
  2. Step 2: Convert to fraction form
    536,574.30/804,569.85 = 221,063.10/x
  3. Step 3: Cross multiply
    536,574.30x = 804,569.85 × 221,063.10
  4. Step 4: Simplify right side
    536,574.30x = 177,860,705,207.54
  5. Step 5: Solve for x
    x = 177,860,705,207.54/536,574.30
  6. Step 6: Final answer
    x = 331,474.51

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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.