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Finding the Fourth Proportional to 510,336.87, 764,630.51 and 360,308.67

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Solution

The fourth proportional to 510,336.87, 764,630.51 and 360,308.67 is: 539,845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,336.87 : 764,630.51 = 360,308.67 : x
  2. Step 2: Convert to fraction form
    510,336.87/764,630.51 = 360,308.67/x
  3. Step 3: Cross multiply
    510,336.87x = 764,630.51 × 360,308.67
  4. Step 4: Simplify right side
    510,336.87x = 275,503,000,297.98
  5. Step 5: Solve for x
    x = 275,503,000,297.98/510,336.87
  6. Step 6: Final answer
    x = 539,845.38

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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.