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Finding the Fourth Proportional to 383,796.60, 536,615.40 and 383,796.60

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Solution

The fourth proportional to 383,796.60, 536,615.40 and 383,796.60 is: 536,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,796.60 : 536,615.40 = 383,796.60 : x
  2. Step 2: Convert to fraction form
    383,796.60/536,615.40 = 383,796.60/x
  3. Step 3: Cross multiply
    383,796.60x = 536,615.40 × 383,796.60
  4. Step 4: Simplify right side
    383,796.60x = 205,951,166,027.64
  5. Step 5: Solve for x
    x = 205,951,166,027.64/383,796.60
  6. Step 6: Final answer
    x = 536,615.40

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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.