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Finding the Fourth Proportional to 437,216.43, 603,342.74 and 243,614.13

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Solution

The fourth proportional to 437,216.43, 603,342.74 and 243,614.13 is: 336,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,216.43 : 603,342.74 = 243,614.13 : x
  2. Step 2: Convert to fraction form
    437,216.43/603,342.74 = 243,614.13/x
  3. Step 3: Cross multiply
    437,216.43x = 603,342.74 × 243,614.13
  4. Step 4: Simplify right side
    437,216.43x = 146,982,815,478.85
  5. Step 5: Solve for x
    x = 146,982,815,478.85/437,216.43
  6. Step 6: Final answer
    x = 336,178.62

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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.