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Finding the Fourth Proportional to 437,194.60, 654,563.10 and 424,906.60

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Solution

The fourth proportional to 437,194.60, 654,563.10 and 424,906.60 is: 636,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,194.60 : 654,563.10 = 424,906.60 : x
  2. Step 2: Convert to fraction form
    437,194.60/654,563.10 = 424,906.60/x
  3. Step 3: Cross multiply
    437,194.60x = 654,563.10 × 424,906.60
  4. Step 4: Simplify right side
    437,194.60x = 278,128,181,306.46
  5. Step 5: Solve for x
    x = 278,128,181,306.46/437,194.60
  6. Step 6: Final answer
    x = 636,165.64

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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.