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Finding the Fourth Proportional to 482,636.68, 724,100.31 and 435,028.39

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Solution

The fourth proportional to 482,636.68, 724,100.31 and 435,028.39 is: 652,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,636.68 : 724,100.31 = 435,028.39 : x
  2. Step 2: Convert to fraction form
    482,636.68/724,100.31 = 435,028.39/x
  3. Step 3: Cross multiply
    482,636.68x = 724,100.31 × 435,028.39
  4. Step 4: Simplify right side
    482,636.68x = 315,004,190,247.55
  5. Step 5: Solve for x
    x = 315,004,190,247.55/482,636.68
  6. Step 6: Final answer
    x = 652,673.54

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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.