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Finding the Fourth Proportional to 383,709.60, 536,493.60 and 383,709.60

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Solution

The fourth proportional to 383,709.60, 536,493.60 and 383,709.60 is: 536,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,709.60 : 536,493.60 = 383,709.60 : x
  2. Step 2: Convert to fraction form
    383,709.60/536,493.60 = 383,709.60/x
  3. Step 3: Cross multiply
    383,709.60x = 536,493.60 × 383,709.60
  4. Step 4: Simplify right side
    383,709.60x = 205,857,744,658.56
  5. Step 5: Solve for x
    x = 205,857,744,658.56/383,709.60
  6. Step 6: Final answer
    x = 536,493.60

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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.