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Finding the Fourth Proportional to 437,643.56, 603,948.22 and 236,439.56

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Solution

The fourth proportional to 437,643.56, 603,948.22 and 236,439.56 is: 326,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,643.56 : 603,948.22 = 236,439.56 : x
  2. Step 2: Convert to fraction form
    437,643.56/603,948.22 = 236,439.56/x
  3. Step 3: Cross multiply
    437,643.56x = 603,948.22 × 236,439.56
  4. Step 4: Simplify right side
    437,643.56x = 142,797,251,399.58
  5. Step 5: Solve for x
    x = 142,797,251,399.58/437,643.56
  6. Step 6: Final answer
    x = 326,286.65

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1.5x scale

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.