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Finding the Fourth Proportional to 445,738.42, 615,117 and 241,789.44

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Solution

The fourth proportional to 445,738.42, 615,117 and 241,789.44 is: 333,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,738.42 : 615,117 = 241,789.44 : x
  2. Step 2: Convert to fraction form
    445,738.42/615,117 = 241,789.44/x
  3. Step 3: Cross multiply
    445,738.42x = 615,117 × 241,789.44
  4. Step 4: Simplify right side
    445,738.42x = 148,728,794,964.48
  5. Step 5: Solve for x
    x = 148,728,794,964.48/445,738.42
  6. Step 6: Final answer
    x = 333,668.33

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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.