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Finding the Fourth Proportional to 445,711.44, 615,071.24 and 244,505.68

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Solution

The fourth proportional to 445,711.44, 615,071.24 and 244,505.68 is: 337,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,711.44 : 615,071.24 = 244,505.68 : x
  2. Step 2: Convert to fraction form
    445,711.44/615,071.24 = 244,505.68/x
  3. Step 3: Cross multiply
    445,711.44x = 615,071.24 × 244,505.68
  4. Step 4: Simplify right side
    445,711.44x = 150,388,411,784.64
  5. Step 5: Solve for x
    x = 150,388,411,784.64/445,711.44
  6. Step 6: Final answer
    x = 337,412.05

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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.