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Finding the Fourth Proportional to 381,684.60, 533,658.60 and 381,684.60

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Solution

The fourth proportional to 381,684.60, 533,658.60 and 381,684.60 is: 533,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,684.60 : 533,658.60 = 381,684.60 : x
  2. Step 2: Convert to fraction form
    381,684.60/533,658.60 = 381,684.60/x
  3. Step 3: Cross multiply
    381,684.60x = 533,658.60 × 381,684.60
  4. Step 4: Simplify right side
    381,684.60x = 203,689,269,277.56
  5. Step 5: Solve for x
    x = 203,689,269,277.56/381,684.60
  6. Step 6: Final answer
    x = 533,658.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.