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Finding the Fourth Proportional to 445,080.02, 664,382.41 and 412,187.54

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Solution

The fourth proportional to 445,080.02, 664,382.41 and 412,187.54 is: 615,282.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,080.02 : 664,382.41 = 412,187.54 : x
  2. Step 2: Convert to fraction form
    445,080.02/664,382.41 = 412,187.54/x
  3. Step 3: Cross multiply
    445,080.02x = 664,382.41 × 412,187.54
  4. Step 4: Simplify right side
    445,080.02x = 273,850,151,197.17
  5. Step 5: Solve for x
    x = 273,850,151,197.17/445,080.02
  6. Step 6: Final answer
    x = 615,282.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.