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Finding the Fourth Proportional to 483,419.46, 724,880.10 and 216,951.54

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Solution

The fourth proportional to 483,419.46, 724,880.10 and 216,951.54 is: 325,315.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,419.46 : 724,880.10 = 216,951.54 : x
  2. Step 2: Convert to fraction form
    483,419.46/724,880.10 = 216,951.54/x
  3. Step 3: Cross multiply
    483,419.46x = 724,880.10 × 216,951.54
  4. Step 4: Simplify right side
    483,419.46x = 157,263,854,010.35
  5. Step 5: Solve for x
    x = 157,263,854,010.35/483,419.46
  6. Step 6: Final answer
    x = 325,315.52

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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.