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Finding the Fourth Proportional to 617,906.96, 926,876.68 and 197,182.40

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Solution

The fourth proportional to 617,906.96, 926,876.68 and 197,182.40 is: 295,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,906.96 : 926,876.68 = 197,182.40 : x
  2. Step 2: Convert to fraction form
    617,906.96/926,876.68 = 197,182.40/x
  3. Step 3: Cross multiply
    617,906.96x = 926,876.68 × 197,182.40
  4. Step 4: Simplify right side
    617,906.96x = 182,763,768,266.43
  5. Step 5: Solve for x
    x = 182,763,768,266.43/617,906.96
  6. Step 6: Final answer
    x = 295,778.78

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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.