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Finding the Fourth Proportional to 365,600.80, 548,725.20 and 215,653.60

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Solution

The fourth proportional to 365,600.80, 548,725.20 and 215,653.60 is: 323,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,600.80 : 548,725.20 = 215,653.60 : x
  2. Step 2: Convert to fraction form
    365,600.80/548,725.20 = 215,653.60/x
  3. Step 3: Cross multiply
    365,600.80x = 548,725.20 × 215,653.60
  4. Step 4: Simplify right side
    365,600.80x = 118,334,564,790.72
  5. Step 5: Solve for x
    x = 118,334,564,790.72/365,600.80
  6. Step 6: Final answer
    x = 323,671.51

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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.