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Finding the Fourth Proportional to 513,797.96, 770,770.78 and 158,839.68

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Solution

The fourth proportional to 513,797.96, 770,770.78 and 158,839.68 is: 238,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,797.96 : 770,770.78 = 158,839.68 : x
  2. Step 2: Convert to fraction form
    513,797.96/770,770.78 = 158,839.68/x
  3. Step 3: Cross multiply
    513,797.96x = 770,770.78 × 158,839.68
  4. Step 4: Simplify right side
    513,797.96x = 122,428,984,048.55
  5. Step 5: Solve for x
    x = 122,428,984,048.55/513,797.96
  6. Step 6: Final answer
    x = 238,282.35

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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.