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Finding the Fourth Proportional to 510,690.96, 764,868.96 and 244,639.44

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Solution

The fourth proportional to 510,690.96, 764,868.96 and 244,639.44 is: 366,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,690.96 : 764,868.96 = 244,639.44 : x
  2. Step 2: Convert to fraction form
    510,690.96/764,868.96 = 244,639.44/x
  3. Step 3: Cross multiply
    510,690.96x = 764,868.96 × 244,639.44
  4. Step 4: Simplify right side
    510,690.96x = 187,117,114,047.78
  5. Step 5: Solve for x
    x = 187,117,114,047.78/510,690.96
  6. Step 6: Final answer
    x = 366,399.89

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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.