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Finding the Fourth Proportional to 437,509.50, 603,763.52 and 236,305.50

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Solution

The fourth proportional to 437,509.50, 603,763.52 and 236,305.50 is: 326,101.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,509.50 : 603,763.52 = 236,305.50 : x
  2. Step 2: Convert to fraction form
    437,509.50/603,763.52 = 236,305.50/x
  3. Step 3: Cross multiply
    437,509.50x = 603,763.52 × 236,305.50
  4. Step 4: Simplify right side
    437,509.50x = 142,672,639,293.83
  5. Step 5: Solve for x
    x = 142,672,639,293.83/437,509.50
  6. Step 6: Final answer
    x = 326,101.81

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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.