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Finding the Fourth Proportional to 482,535.92, 666,244.68 and 321,770

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Solution

The fourth proportional to 482,535.92, 666,244.68 and 321,770 is: 444,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,535.92 : 666,244.68 = 321,770 : x
  2. Step 2: Convert to fraction form
    482,535.92/666,244.68 = 321,770/x
  3. Step 3: Cross multiply
    482,535.92x = 666,244.68 × 321,770
  4. Step 4: Simplify right side
    482,535.92x = 214,377,550,683.60
  5. Step 5: Solve for x
    x = 214,377,550,683.60/482,535.92
  6. Step 6: Final answer
    x = 444,272.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.