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Finding the Fourth Proportional to 663,061.21, 994,598.73 and 530,782.34

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Solution

The fourth proportional to 663,061.21, 994,598.73 and 530,782.34 is: 796,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,061.21 : 994,598.73 = 530,782.34 : x
  2. Step 2: Convert to fraction form
    663,061.21/994,598.73 = 530,782.34/x
  3. Step 3: Cross multiply
    663,061.21x = 994,598.73 × 530,782.34
  4. Step 4: Simplify right side
    663,061.21x = 527,915,436,297.44
  5. Step 5: Solve for x
    x = 527,915,436,297.44/663,061.21
  6. Step 6: Final answer
    x = 796,179.04

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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.