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Finding the Fourth Proportional to 617,344.20, 930,643.37 and 576,194.41

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Solution

The fourth proportional to 617,344.20, 930,643.37 and 576,194.41 is: 868,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,344.20 : 930,643.37 = 576,194.41 : x
  2. Step 2: Convert to fraction form
    617,344.20/930,643.37 = 576,194.41/x
  3. Step 3: Cross multiply
    617,344.20x = 930,643.37 × 576,194.41
  4. Step 4: Simplify right side
    617,344.20x = 536,231,511,181.72
  5. Step 5: Solve for x
    x = 536,231,511,181.72/617,344.20
  6. Step 6: Final answer
    x = 868,610.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.