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Finding the Fourth Proportional to 483,419.52, 724,880.16 and 216,951.48

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Solution

The fourth proportional to 483,419.52, 724,880.16 and 216,951.48 is: 325,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,419.52 : 724,880.16 = 216,951.48 : x
  2. Step 2: Convert to fraction form
    483,419.52/724,880.16 = 216,951.48/x
  3. Step 3: Cross multiply
    483,419.52x = 724,880.16 × 216,951.48
  4. Step 4: Simplify right side
    483,419.52x = 157,263,823,534.64
  5. Step 5: Solve for x
    x = 157,263,823,534.64/483,419.52
  6. Step 6: Final answer
    x = 325,315.42

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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.