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Finding the Fourth Proportional to 510,200.30, 764,425.65 and 332,615.90

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Solution

The fourth proportional to 510,200.30, 764,425.65 and 332,615.90 is: 498,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,200.30 : 764,425.65 = 332,615.90 : x
  2. Step 2: Convert to fraction form
    510,200.30/764,425.65 = 332,615.90/x
  3. Step 3: Cross multiply
    510,200.30x = 764,425.65 × 332,615.90
  4. Step 4: Simplify right side
    510,200.30x = 254,260,125,557.84
  5. Step 5: Solve for x
    x = 254,260,125,557.84/510,200.30
  6. Step 6: Final answer
    x = 498,353.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.