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Finding the Fourth Proportional to 215,593.60, 323,390.40 and 180,601.60

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Solution

The fourth proportional to 215,593.60, 323,390.40 and 180,601.60 is: 270,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,593.60 : 323,390.40 = 180,601.60 : x
  2. Step 2: Convert to fraction form
    215,593.60/323,390.40 = 180,601.60/x
  3. Step 3: Cross multiply
    215,593.60x = 323,390.40 × 180,601.60
  4. Step 4: Simplify right side
    215,593.60x = 58,404,823,664.64
  5. Step 5: Solve for x
    x = 58,404,823,664.64/215,593.60
  6. Step 6: Final answer
    x = 270,902.40

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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.