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Finding the Fourth Proportional to 533,858.88, 800,858.79 and 197,136.21

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Solution

The fourth proportional to 533,858.88, 800,858.79 and 197,136.21 is: 295,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,858.88 : 800,858.79 = 197,136.21 : x
  2. Step 2: Convert to fraction form
    533,858.88/800,858.79 = 197,136.21/x
  3. Step 3: Cross multiply
    533,858.88x = 800,858.79 × 197,136.21
  4. Step 4: Simplify right side
    533,858.88x = 157,878,266,605.79
  5. Step 5: Solve for x
    x = 157,878,266,605.79/533,858.88
  6. Step 6: Final answer
    x = 295,730.34

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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.