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Finding the Fourth Proportional to 483,524.70, 725,036.76 and 217,055.76

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Solution

The fourth proportional to 483,524.70, 725,036.76 and 217,055.76 is: 325,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,524.70 : 725,036.76 = 217,055.76 : x
  2. Step 2: Convert to fraction form
    483,524.70/725,036.76 = 217,055.76/x
  3. Step 3: Cross multiply
    483,524.70x = 725,036.76 × 217,055.76
  4. Step 4: Simplify right side
    483,524.70x = 157,373,404,969.74
  5. Step 5: Solve for x
    x = 157,373,404,969.74/483,524.70
  6. Step 6: Final answer
    x = 325,471.28

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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.