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Finding the Fourth Proportional to 483,210.44, 725,056.46 and 217,161.16

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Solution

The fourth proportional to 483,210.44, 725,056.46 and 217,161.16 is: 325,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,210.44 : 725,056.46 = 217,161.16 : x
  2. Step 2: Convert to fraction form
    483,210.44/725,056.46 = 217,161.16/x
  3. Step 3: Cross multiply
    483,210.44x = 725,056.46 × 217,161.16
  4. Step 4: Simplify right side
    483,210.44x = 157,454,101,919.09
  5. Step 5: Solve for x
    x = 157,454,101,919.09/483,210.44
  6. Step 6: Final answer
    x = 325,849.96

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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.