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Finding the Fourth Proportional to 579,611.04, 869,419.56 and 263,847.12

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Solution

The fourth proportional to 579,611.04, 869,419.56 and 263,847.12 is: 395,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,611.04 : 869,419.56 = 263,847.12 : x
  2. Step 2: Convert to fraction form
    579,611.04/869,419.56 = 263,847.12/x
  3. Step 3: Cross multiply
    579,611.04x = 869,419.56 × 263,847.12
  4. Step 4: Simplify right side
    579,611.04x = 229,393,846,977.67
  5. Step 5: Solve for x
    x = 229,393,846,977.67/579,611.04
  6. Step 6: Final answer
    x = 395,772.05

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1.5x scale

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.