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Finding the Fourth Proportional to 445,711.32, 615,078.01 and 241,761.73

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Solution

The fourth proportional to 445,711.32, 615,078.01 and 241,761.73 is: 333,629.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,711.32 : 615,078.01 = 241,761.73 : x
  2. Step 2: Convert to fraction form
    445,711.32/615,078.01 = 241,761.73/x
  3. Step 3: Cross multiply
    445,711.32x = 615,078.01 × 241,761.73
  4. Step 4: Simplify right side
    445,711.32x = 148,702,323,782.56
  5. Step 5: Solve for x
    x = 148,702,323,782.56/445,711.32
  6. Step 6: Final answer
    x = 333,629.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.