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Finding the Fourth Proportional to 445,769, 615,172.02 and 244,565

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Solution

The fourth proportional to 445,769, 615,172.02 and 244,565 is: 337,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,769 : 615,172.02 = 244,565 : x
  2. Step 2: Convert to fraction form
    445,769/615,172.02 = 244,565/x
  3. Step 3: Cross multiply
    445,769x = 615,172.02 × 244,565
  4. Step 4: Simplify right side
    445,769x = 150,449,545,071.30
  5. Step 5: Solve for x
    x = 150,449,545,071.30/445,769
  6. Step 6: Final answer
    x = 337,505.63

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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.