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Finding the Fourth Proportional to 533,375.80, 798,095.40 and 486,136.60

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Solution

The fourth proportional to 533,375.80, 798,095.40 and 486,136.60 is: 727,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,375.80 : 798,095.40 = 486,136.60 : x
  2. Step 2: Convert to fraction form
    533,375.80/798,095.40 = 486,136.60/x
  3. Step 3: Cross multiply
    533,375.80x = 798,095.40 × 486,136.60
  4. Step 4: Simplify right side
    533,375.80x = 387,983,384,231.64
  5. Step 5: Solve for x
    x = 387,983,384,231.64/533,375.80
  6. Step 6: Final answer
    x = 727,410.93

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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.