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Finding the Fourth Proportional to 437,552.91, 603,819.42 and 243,958.32

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Solution

The fourth proportional to 437,552.91, 603,819.42 and 243,958.32 is: 336,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,552.91 : 603,819.42 = 243,958.32 : x
  2. Step 2: Convert to fraction form
    437,552.91/603,819.42 = 243,958.32/x
  3. Step 3: Cross multiply
    437,552.91x = 603,819.42 × 243,958.32
  4. Step 4: Simplify right side
    437,552.91x = 147,306,768,267.48
  5. Step 5: Solve for x
    x = 147,306,768,267.48/437,552.91
  6. Step 6: Final answer
    x = 336,660.47

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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.