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Finding the Fourth Proportional to 544,491.36, 751,414.32 and 329,670.72

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Solution

The fourth proportional to 544,491.36, 751,414.32 and 329,670.72 is: 454,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,491.36 : 751,414.32 = 329,670.72 : x
  2. Step 2: Convert to fraction form
    544,491.36/751,414.32 = 329,670.72/x
  3. Step 3: Cross multiply
    544,491.36x = 751,414.32 × 329,670.72
  4. Step 4: Simplify right side
    544,491.36x = 247,719,299,892.71
  5. Step 5: Solve for x
    x = 247,719,299,892.71/544,491.36
  6. Step 6: Final answer
    x = 454,955.43

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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.