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Finding the Fourth Proportional to 323,304.36, 484,956.54 and 98,665.94

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Solution

The fourth proportional to 323,304.36, 484,956.54 and 98,665.94 is: 147,998.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,304.36 : 484,956.54 = 98,665.94 : x
  2. Step 2: Convert to fraction form
    323,304.36/484,956.54 = 98,665.94/x
  3. Step 3: Cross multiply
    323,304.36x = 484,956.54 × 98,665.94
  4. Step 4: Simplify right side
    323,304.36x = 47,848,694,090.64
  5. Step 5: Solve for x
    x = 47,848,694,090.64/323,304.36
  6. Step 6: Final answer
    x = 147,998.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.