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Finding the Fourth Proportional to 291,660.82, 437,965.88 and 180,050.52

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Solution

The fourth proportional to 291,660.82, 437,965.88 and 180,050.52 is: 270,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,660.82 : 437,965.88 = 180,050.52 : x
  2. Step 2: Convert to fraction form
    291,660.82/437,965.88 = 180,050.52/x
  3. Step 3: Cross multiply
    291,660.82x = 437,965.88 × 180,050.52
  4. Step 4: Simplify right side
    291,660.82x = 78,855,982,441.09
  5. Step 5: Solve for x
    x = 78,855,982,441.09/291,660.82
  6. Step 6: Final answer
    x = 270,368.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.