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Finding the Fourth Proportional to 370,138.44, 510,790.94 and 200,372.44

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Solution

The fourth proportional to 370,138.44, 510,790.94 and 200,372.44 is: 276,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,138.44 : 510,790.94 = 200,372.44 : x
  2. Step 2: Convert to fraction form
    370,138.44/510,790.94 = 200,372.44/x
  3. Step 3: Cross multiply
    370,138.44x = 510,790.94 × 200,372.44
  4. Step 4: Simplify right side
    370,138.44x = 102,348,426,977.69
  5. Step 5: Solve for x
    x = 102,348,426,977.69/370,138.44
  6. Step 6: Final answer
    x = 276,513.91

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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.