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Finding the Fourth Proportional to 482,816.76, 724,222.25 and 262,600.44

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Solution

The fourth proportional to 482,816.76, 724,222.25 and 262,600.44 is: 393,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,816.76 : 724,222.25 = 262,600.44 : x
  2. Step 2: Convert to fraction form
    482,816.76/724,222.25 = 262,600.44/x
  3. Step 3: Cross multiply
    482,816.76x = 724,222.25 × 262,600.44
  4. Step 4: Simplify right side
    482,816.76x = 190,181,081,507.79
  5. Step 5: Solve for x
    x = 190,181,081,507.79/482,816.76
  6. Step 6: Final answer
    x = 393,899.09

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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.