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Finding the Fourth Proportional to 410,602.75, 562,516.36 and 395,251.60

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Solution

The fourth proportional to 410,602.75, 562,516.36 and 395,251.60 is: 541,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,602.75 : 562,516.36 = 395,251.60 : x
  2. Step 2: Convert to fraction form
    410,602.75/562,516.36 = 395,251.60/x
  3. Step 3: Cross multiply
    410,602.75x = 562,516.36 × 395,251.60
  4. Step 4: Simplify right side
    410,602.75x = 222,335,491,316.18
  5. Step 5: Solve for x
    x = 222,335,491,316.18/410,602.75
  6. Step 6: Final answer
    x = 541,485.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.