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Finding the Fourth Proportional to 323,321.65, 484,982.57 and 98,683.34

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Solution

The fourth proportional to 323,321.65, 484,982.57 and 98,683.34 is: 148,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,321.65 : 484,982.57 = 98,683.34 : x
  2. Step 2: Convert to fraction form
    323,321.65/484,982.57 = 98,683.34/x
  3. Step 3: Cross multiply
    323,321.65x = 484,982.57 × 98,683.34
  4. Step 4: Simplify right side
    323,321.65x = 47,859,697,671.18
  5. Step 5: Solve for x
    x = 47,859,697,671.18/323,321.65
  6. Step 6: Final answer
    x = 148,025.03

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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.