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Finding the Fourth Proportional to 437,291.10, 603,453.50 and 243,694.56

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Solution

The fourth proportional to 437,291.10, 603,453.50 and 243,694.56 is: 336,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,291.10 : 603,453.50 = 243,694.56 : x
  2. Step 2: Convert to fraction form
    437,291.10/603,453.50 = 243,694.56/x
  3. Step 3: Cross multiply
    437,291.10x = 603,453.50 × 243,694.56
  4. Step 4: Simplify right side
    437,291.10x = 147,058,335,162.96
  5. Step 5: Solve for x
    x = 147,058,335,162.96/437,291.10
  6. Step 6: Final answer
    x = 336,293.91

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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.