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Finding the Fourth Proportional to 617,200.20, 925,217.10 and 364,674.60

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Solution

The fourth proportional to 617,200.20, 925,217.10 and 364,674.60 is: 546,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,200.20 : 925,217.10 = 364,674.60 : x
  2. Step 2: Convert to fraction form
    617,200.20/925,217.10 = 364,674.60/x
  3. Step 3: Cross multiply
    617,200.20x = 925,217.10 × 364,674.60
  4. Step 4: Simplify right side
    617,200.20x = 337,403,175,855.66
  5. Step 5: Solve for x
    x = 337,403,175,855.66/617,200.20
  6. Step 6: Final answer
    x = 546,667.31

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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.