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Finding the Fourth Proportional to 450,276.87, 675,446.09 and 150,745.35

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Solution

The fourth proportional to 450,276.87, 675,446.09 and 150,745.35 is: 226,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,276.87 : 675,446.09 = 150,745.35 : x
  2. Step 2: Convert to fraction form
    450,276.87/675,446.09 = 150,745.35/x
  3. Step 3: Cross multiply
    450,276.87x = 675,446.09 × 150,745.35
  4. Step 4: Simplify right side
    450,276.87x = 101,820,356,489.46
  5. Step 5: Solve for x
    x = 101,820,356,489.46/450,276.87
  6. Step 6: Final answer
    x = 226,128.33

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1.5x scale

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.