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Finding the Fourth Proportional to 544,491.86, 751,415.01 and 329,671.22

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Solution

The fourth proportional to 544,491.86, 751,415.01 and 329,671.22 is: 454,956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,491.86 : 751,415.01 = 329,671.22 : x
  2. Step 2: Convert to fraction form
    544,491.86/751,415.01 = 329,671.22/x
  3. Step 3: Cross multiply
    544,491.86x = 751,415.01 × 329,671.22
  4. Step 4: Simplify right side
    544,491.86x = 247,719,903,073.01
  5. Step 5: Solve for x
    x = 247,719,903,073.01/544,491.86
  6. Step 6: Final answer
    x = 454,956.12

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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.