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Finding the Fourth Proportional to 437,640.45, 603,926.33 and 246,693.48

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Solution

The fourth proportional to 437,640.45, 603,926.33 and 246,693.48 is: 340,427.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,640.45 : 603,926.33 = 246,693.48 : x
  2. Step 2: Convert to fraction form
    437,640.45/603,926.33 = 246,693.48/x
  3. Step 3: Cross multiply
    437,640.45x = 603,926.33 × 246,693.48
  4. Step 4: Simplify right side
    437,640.45x = 148,984,686,777.86
  5. Step 5: Solve for x
    x = 148,984,686,777.86/437,640.45
  6. Step 6: Final answer
    x = 340,427.14

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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.