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Finding the Fourth Proportional to 215,546.40, 323,319.60 and 184,053.60

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Solution

The fourth proportional to 215,546.40, 323,319.60 and 184,053.60 is: 276,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,546.40 : 323,319.60 = 184,053.60 : x
  2. Step 2: Convert to fraction form
    215,546.40/323,319.60 = 184,053.60/x
  3. Step 3: Cross multiply
    215,546.40x = 323,319.60 × 184,053.60
  4. Step 4: Simplify right side
    215,546.40x = 59,508,136,330.56
  5. Step 5: Solve for x
    x = 59,508,136,330.56/215,546.40
  6. Step 6: Final answer
    x = 276,080.40

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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.