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Finding the Fourth Proportional to 383,022.44, 527,671.86 and 266,535.63

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Solution

The fourth proportional to 383,022.44, 527,671.86 and 266,535.63 is: 367,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,022.44 : 527,671.86 = 266,535.63 : x
  2. Step 2: Convert to fraction form
    383,022.44/527,671.86 = 266,535.63/x
  3. Step 3: Cross multiply
    383,022.44x = 527,671.86 × 266,535.63
  4. Step 4: Simplify right side
    383,022.44x = 140,643,351,638.37
  5. Step 5: Solve for x
    x = 140,643,351,638.37/383,022.44
  6. Step 6: Final answer
    x = 367,193.51

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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.