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Finding the Fourth Proportional to 323,261.72, 484,968.39 and 98,622.06

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Solution

The fourth proportional to 323,261.72, 484,968.39 and 98,622.06 is: 147,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,261.72 : 484,968.39 = 98,622.06 : x
  2. Step 2: Convert to fraction form
    323,261.72/484,968.39 = 98,622.06/x
  3. Step 3: Cross multiply
    323,261.72x = 484,968.39 × 98,622.06
  4. Step 4: Simplify right side
    323,261.72x = 47,828,581,656.68
  5. Step 5: Solve for x
    x = 47,828,581,656.68/323,261.72
  6. Step 6: Final answer
    x = 147,956.22

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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.