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Finding the Fourth Proportional to 323,118.33, 484,747.44 and 98,472.84

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Solution

The fourth proportional to 323,118.33, 484,747.44 and 98,472.84 is: 147,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,118.33 : 484,747.44 = 98,472.84 : x
  2. Step 2: Convert to fraction form
    323,118.33/484,747.44 = 98,472.84/x
  3. Step 3: Cross multiply
    323,118.33x = 484,747.44 × 98,472.84
  4. Step 4: Simplify right side
    323,118.33x = 47,734,457,099.53
  5. Step 5: Solve for x
    x = 47,734,457,099.53/323,118.33
  6. Step 6: Final answer
    x = 147,730.58

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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.